Irodori彩り

#00BFFF Light Cyan

Generate color codes, variations, harmonies and check contrast.

Color conversion

#00BFFFLight Cyan

CMYK profile: Coated FOGRA39 · Formats follow CSS Color 4 naming and WCAG 2.2 contrast rules.

At a glance

NameLight Cyan
RomanizationLight Cyan
Traditiondigital color
FamilyBlue
HEX#00BFFF
RGBrgb(0,191,255)
HSLhsl(195 100% 50%)
HSVhsv(195, 100%, 100%)
OKLCHoklch(0.755 0.153 231.6)
LABlab(72.55 -17.66 -42.54)
XYZ37,44,101
CMYKcmyk(100.0% 25.1% 0.0% 0.0%)
RAL#EB9C52 · Pastel yellow · RAL 1034

About this color

Light CyanBluedigital color

Calm that earns trust

Light Cyan is #00BFFF, a Blue tone with a clear cultural lineage. Read on its own it belongs to the Blue family; read through its digital color roots, it carries a second layer of meaning.

Design tip

Test Light Cyan (#00BFFF) on a neutral surface first; a Blue accent then looks intentional rather than decorative.

Best use

Give Light Cyan the single element that must be noticed first, and let the rest of the Blue palette support it.

calmtrustworthytechnicalsteadycool

Psychology

How it is perceived

calmtrustworthytechnicalsteadycool

Psychological effect

Light Cyan raises the perceived energy of a Blue composition and pulls the eye toward action.

Emotional impact

It feels immediate and warm, so it can lift a restrained layout without making it loud.

Symbolism

What it stands for

trustcompetence and clarity

Cultural significance

In digital color settings the shade carries local references, so verify its symbolism before a campaign.

Positive associations

Positive associations lean toward trust, competence and clarity, which is why it appears in invitations and seasonal work.

Use with care

Too much surface area can read as coldness or distance in excess, so keep it to accents and small fields.

Where it appears

Common design applications

Campaign landing pages
Give Light Cyan the single element that must be noticed first, and let the rest of the Blue palette support it.
Editorial cover systems
Give Light Cyan the single element that must be noticed first, and let the rest of the Blue palette support it.
Product packaging labels
Give Light Cyan the single element that must be noticed first, and let the rest of the Blue palette support it.
Dashboard status accents
Give Light Cyan the single element that must be noticed first, and let the rest of the Blue palette support it.
Retail wayfinding signs
Give Light Cyan the single element that must be noticed first, and let the rest of the Blue palette support it.

Design guidance

How to make it work

Do

  • Keep saturated fills below about twenty percent of the layout.
  • Use it for the primary call to action and nothing else.
  • Check the pairing at small sizes on a neutral background.

Avoid

  • Do not place it beside clashing neon greens or electric blues.
  • Never use it for long body text on white.
  • Avoid gradients that shift its hue into another family.
Brand fit
finance, technology, healthcare, aviation

Brands built on The Ruler, The Sage use it to signal character before they say a word.

Trend signal
Calm that earns trust

Blue recedes and steadies, which makes it the default for interfaces and institutions. Its range runs from near-black navy to pale sky without ever losing composure.

Pairing

Colors that complete it

#FA904Aeditorial layouts that need one warm focal point
#0086C2interfaces where an accent has to stay legible
#F783BApackaging that should feel appetizing without shouting

History

Pigments and provenance

Before synthetic dyes, Light Cyan was matched with mineral and plant pigments, and the Blue family depended on sources such as ochre, madder and indigo. Screens now reproduce it more consistently than any single pigment ever could.

Tags

calmtrustworthytechnicalsteadycooltrustcompetence and clarityBlue

Variations

Shades darken and tints lighten while the hue angle stays fixed.

Pro tip: Shades darken and tints lighten while the hue angle stays fixed.

Shades

Darker steps built from the same hue.

0% #00BFFF
10% #00ACE6
20% #0099CC
30% #0086B3
40% #007399
50% #006080
60% #004C66
70% #00394D
80% #002633
90% #001319
100% #000000

Tints

Lighter steps for surfaces and backgrounds.

0% #00BFFF
10% #1AC5FF
20% #33CCFF
30% #4DD2FF
40% #66D9FF
50% #80DFFF
60% #99E5FF
70% #B3ECFF
80% #CCF2FF
90% #E6F9FF
100% #FFFFFF

Design scale 50–950

50#DAFBFF100#BFF6FF200#91E6FF300#5FD1FF400#1DB8F3500#0098D6600#007FBA700#00669B800#004F7C900#00385B950#00253E
Dark-mode value (AA): #0084C1 · 4.55:1

Use cases

  • Shades → hover, shadows, depth
  • Tints → highlights, surfaces
  • Balance → consistent color systems

Design tip

Keep one dominant tone, one supporter and one accent.

Across color systems

The closest named color in each tradition and design system, measured in OKLCH ΔE. Lower means closer.

Asian color traditions

空色 JP ΔE 0.050
สีชมพู TH ΔE 0.074
Kuning ID ΔE 0.083
Show all (6)
黄土 TB ΔE 0.084
हल्दी IN ΔE 0.087
豆绿 CN ΔE 0.087
Шар MN ΔE 0.091
황 KR ΔE 0.104
Vàng VN ΔE 0.161

Design systems

Sky 400 Tailwind ΔE 0.007
Sky 400 UnoCSS ΔE 0.015
Sky 400 Panda ΔE 0.015
Show all (11)
Cyan 400 Chakra ΔE 0.019
Blue 4 Ant Design ΔE 0.021
Azure 10 Polaris ΔE 0.024
Info Bootstrap ΔE 0.025
Indigo 300 Open Color ΔE 0.027
Primary 70 Material ΔE 0.033
Teams V2.1 120 Fluent ΔE 0.036
Blue 8 Radix ΔE 0.039
Brand (alternate) vanilla-extract ΔE 0.145
Neutral muted Primer ΔE 0.180
Secondary StyleX ΔE 0.220

RAL Classic

Pastel yellow · RAL 1034 RAL ΔE 0.083
Try any color

Can three steps of one hue work together

Three steps from the 50–950 scale of “Light Cyan”: same hue, only lightness differs. Below is the contrast whenever one of them is text on another.

200#91E6FF
500#0098D6
800#004F7C
  • 200 ↔ 500: 2.32:1 (FAIL)
  • 500 ↔ 800: 2.68:1 (FAIL)
  • 200 ↔ 800: 6.21:1 (AA)

Pairs reaching 4.5:1 (AA body text): 1 of 3. Pairs reaching 3:1 (large text, icons, borders): 1 of 3. The rest fall below 3:1 and should not carry text.

Color combinations

Rotate the hue wheel while holding lightness steady.

How to use it

Three moves keep the color readable and deliberate.

Why it works

The perceptual reasoning behind the palette.

All six palettes rotate hue at similar lightness, so the best in-group contrast falls between 1.01:1 and 1.86:1. Use them for fills, charts and graphics rather than as text on each other — when you need text, use a neutral or a darker step of the same scale.

Complementary

Opposite the hue wheel; it sharpens the focal color by contrast.

#00BFFF#FA904A

Best use: Calls to action and single-feature highlights

Split-complementary

Two neighbors of the opposite hue; softer than a direct complement.

#00BFFF#FF8484#E0A40F

Best use: Balanced marketing layouts with two accents

Triadic

Three hues spaced evenly; lively but needs one dominant voice.

#00BFFF#F783BA#B3B82C

Best use: Event identities and playful editorial spreads

Analogous

Neighbors on the wheel; quiet, cohesive and easy to scan.

#00CBD8#00BFFF#78AEFF

Best use: Backgrounds, charts and calm product pages

Monochromatic

One hue across lightness steps; disciplined and premium.

#008AB8#00BFFF#47D1FF

Best use: Design systems, packaging and typographic hierarchy

Tetradic

Two complementary pairs; rich, but requires strict proportion.

#00BFFF#B29CFF#FA904A#B3B82C

Best use: Complex dashboards and multi-service brands

Export the scale

CSS

:root {
  --brand-50: #DAFBFF;
  --brand-100: #BFF6FF;
  --brand-200: #91E6FF;
  --brand-300: #5FD1FF;
  --brand-400: #1DB8F3;
  --brand-500: #0098D6;
  --brand-600: #007FBA;
  --brand-700: #00669B;
  --brand-800: #004F7C;
  --brand-900: #00385B;
  --brand-950: #00253E;
}

Tailwind

theme: {
  extend: {
    colors: {
      brand: {
        50: '#DAFBFF',
        100: '#BFF6FF',
        200: '#91E6FF',
        300: '#5FD1FF',
        400: '#1DB8F3',
        500: '#0098D6',
        600: '#007FBA',
        700: '#00669B',
        800: '#004F7C',
        900: '#00385B',
        950: '#00253E',
      },
    },
  },
}

Figma

{
  "brand": {
    "50": {
      "$type": "color",
      "$value": "#DAFBFF"
    },
    "100": {
      "$type": "color",
      "$value": "#BFF6FF"
    },
    "200": {
      "$type": "color",
      "$value": "#91E6FF"
    },
    "300": {
      "$type": "color",
      "$value": "#5FD1FF"
    },
    "400": {
      "$type": "color",
      "$value": "#1DB8F3"
    },
    "500": {
      "$type": "color",
      "$value": "#0098D6"
    },
    "600": {
      "$type": "color",
      "$value": "#007FBA"
    },
    "700": {
      "$type": "color",
      "$value": "#00669B"
    },
    "800": {
      "$type": "color",
      "$value": "#004F7C"
    },
    "900": {
      "$type": "color",
      "$value": "#00385B"
    },
    "950": {
      "$type": "color",
      "$value": "#00253E"
    }
  }
}

SVG

<svg xmlns="http://www.w3.org/2000/svg" width="1100" height="120">
  <rect x="0" y="0" width="100" height="90" fill="#DAFBFF"/>
  <rect x="100" y="0" width="100" height="90" fill="#BFF6FF"/>
  <rect x="200" y="0" width="100" height="90" fill="#91E6FF"/>
  <rect x="300" y="0" width="100" height="90" fill="#5FD1FF"/>
  <rect x="400" y="0" width="100" height="90" fill="#1DB8F3"/>
  <rect x="500" y="0" width="100" height="90" fill="#0098D6"/>
  <rect x="600" y="0" width="100" height="90" fill="#007FBA"/>
  <rect x="700" y="0" width="100" height="90" fill="#00669B"/>
  <rect x="800" y="0" width="100" height="90" fill="#004F7C"/>
  <rect x="900" y="0" width="100" height="90" fill="#00385B"/>
  <rect x="1000" y="0" width="100" height="90" fill="#00253E"/>
  <text x="50" y="112" font-family="monospace" font-size="10" text-anchor="middle" fill="#444">50</text>
  <text x="150" y="112" font-family="monospace" font-size="10" text-anchor="middle" fill="#444">100</text>
  <text x="250" y="112" font-family="monospace" font-size="10" text-anchor="middle" fill="#444">200</text>
  <text x="350" y="112" font-family="monospace" font-size="10" text-anchor="middle" fill="#444">300</text>
  <text x="450" y="112" font-family="monospace" font-size="10" text-anchor="middle" fill="#444">400</text>
  <text x="550" y="112" font-family="monospace" font-size="10" text-anchor="middle" fill="#444">500</text>
  <text x="650" y="112" font-family="monospace" font-size="10" text-anchor="middle" fill="#444">600</text>
  <text x="750" y="112" font-family="monospace" font-size="10" text-anchor="middle" fill="#444">700</text>
  <text x="850" y="112" font-family="monospace" font-size="10" text-anchor="middle" fill="#444">800</text>
  <text x="950" y="112" font-family="monospace" font-size="10" text-anchor="middle" fill="#444">900</text>
  <text x="1050" y="112" font-family="monospace" font-size="10" text-anchor="middle" fill="#444">950</text>
</svg>

iOS

extension UIColor {
  static let brand50 = UIColor(red: 0.855, green: 0.984, blue: 1.000, alpha: 1.0)
  static let brand100 = UIColor(red: 0.749, green: 0.965, blue: 1.000, alpha: 1.0)
  static let brand200 = UIColor(red: 0.569, green: 0.902, blue: 1.000, alpha: 1.0)
  static let brand300 = UIColor(red: 0.373, green: 0.820, blue: 1.000, alpha: 1.0)
  static let brand400 = UIColor(red: 0.114, green: 0.722, blue: 0.953, alpha: 1.0)
  static let brand500 = UIColor(red: 0.000, green: 0.596, blue: 0.839, alpha: 1.0)
  static let brand600 = UIColor(red: 0.000, green: 0.498, blue: 0.729, alpha: 1.0)
  static let brand700 = UIColor(red: 0.000, green: 0.400, blue: 0.608, alpha: 1.0)
  static let brand800 = UIColor(red: 0.000, green: 0.310, blue: 0.486, alpha: 1.0)
  static let brand900 = UIColor(red: 0.000, green: 0.220, blue: 0.357, alpha: 1.0)
  static let brand950 = UIColor(red: 0.000, green: 0.145, blue: 0.243, alpha: 1.0)
}

Android

<resources>
  <color name="brand_50">#DAFBFF</color>
  <color name="brand_100">#BFF6FF</color>
  <color name="brand_200">#91E6FF</color>
  <color name="brand_300">#5FD1FF</color>
  <color name="brand_400">#1DB8F3</color>
  <color name="brand_500">#0098D6</color>
  <color name="brand_600">#007FBA</color>
  <color name="brand_700">#00669B</color>
  <color name="brand_800">#004F7C</color>
  <color name="brand_900">#00385B</color>
  <color name="brand_950">#00253E</color>
</resources>

Principles

Balance

Keep one dominant tone, one supporter and one accent.

Contrast

Test body text against both white and black before shipping.

Harmony

Rotate the hue wheel while holding lightness steady.

Color contrast checker

Test body text against both white and black before shipping.

2.12 :1
FAIL
Quote

Give Light Cyan the single element that must be noticed first, and let the rest of the Blue palette support it.

WCAG contrast
Preview
Aa / Bb
#00BFFF · Light Cyan

WCAG contrast standards

WCAG 2.2 sets minimum contrast for text and interface parts. #00BFFF measures 2.12:1 against white (FAIL) and 8.90:1 against black (AAA). Use the table below to choose the right threshold for the text size.

LevelNormal textLarge text (18pt+ / 14pt bold)Icons & UI parts
AAA7 : 14.5 : 1—
AA4.5 : 13 : 13 : 1
Fails< 4.5 : 1< 3 : 1< 3 : 1

Large text means 18pt regular or 14pt bold. UI parts need 3:1 against adjacent colors. AA is the common compliance baseline; AAA is enhanced.

Technical formats

Notation across color spaces

HEX
#00BFFF

CSS Color 4

RGB
0,191,255

sRGB / D65

HSL
195,100,50

HSL

OKLCH
oklch(0.755 0.153 231.6)

perceptual

LAB
73,-18,-43

CIE Lab

LCH
73,46,247

CIE LCH

XYZ
37,44,101

CIE XYZ

LUV
73,-49,-67

CIE LUV

HWB
195,0,0

CSS HWB

CMYK
100,25,0,0

print

Practical formats

Ready-to-use values

CSS
color: #00BFFF;

custom properties

Tailwind
bg-[#00BFFF] text-[#FFF]

arbitrary value

Android
#FF00BFFF

ARGB

Flutter
Color(0xFF00BFFF)

dart:ui

Photoshop
R 0 G 191 B 255 · C 100 M 25 Y 0 K 0

RGB / CMYK

Print
CMYK 100,25,0,0

FOGRA39

Color analysis

Measured color properties

Lightness
0.445

relative luminance · cool

Contrast
2.12 : 1

vs white · FAIL · cool

Contrast
8.90 : 1

vs black · AAA · cool

Hue
195°

saturation 100% · cool

LCH
73,46,247

lightness 50% · cool

Delta E
31.9

天青 #A9D1E3 · cool

Blindness simulator

How it reads with color vision deficiency

Preview
#00BFFF
Protanopia
#95AFFF
Deuteranopia
#6A8DFF
Tritanopia
#00D7D2

How it reads with color vision deficiency · ΔE 31.9

Creative aspects

Culture, mood and story

Mood
calm, trustworthy, technical, steady, cool

It is commonly read as energy, warmth, confidence and a trace of ceremony.

Family
Blue · oklch(0.755 0.153 231.6)

It is commonly read as energy, warmth, confidence and a trace of ceremony.

Usage
Campaign landing pages

It is commonly read as energy, warmth, confidence and a trace of ceremony.

Style
Calm that earns trust

It is commonly read as energy, warmth, confidence and a trace of ceremony.

Inspired by
digital color

It is commonly read as energy, warmth, confidence and a trace of ceremony.

Frequently asked questions

What color is #00BFFF?
Light Cyan is #00BFFF, or #00BFFF in uppercase notation. In RGB it is rgb(0,191,255), in HSL about hsl(195 100% 50%), and in OKLCH oklch(0.755 0.153 231.6).
How should I use Light Cyan in design?
Give it one focal element, keep body copy neutral and confirm contrast at 2.12 against white and 8.90 against black.
Is Light Cyan accessible?
Contrast is 2.12 against white (FAIL) and 8.90 against black (AAA). Use it for large text when the level reaches AA.