#4089DF#4089DF

#4089DF is a light, vivid cyan. Relative luminance 0.243; OKLCH L 62.5% C 0.149 H 254.3°. Best body text is #000000 at 5.86:1 contrast (WCAG AA passes).

Color values

HEX	#4089DF
RGB	rgb(64, 137, 223)
HSL	hsl(212, 71%, 56%)
HSV	hsv(212, 71%, 87%)
CMYK	cmyk(71.3%, 38.6%, 0%, 12.5%)
CIE-LAB	lab(56.39, 5.62, -50.39)
CIE-LCH	lch(56.39, 50.71, 276.37°)
OKLab	oklab(62.52% -0.0403 -0.1436)
OKLCH	oklch(62.52% 0.149 254.3)
XYZ	xyz(24.3744, 24.3064, 73.2047)
Luminance	0.2431 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4089DF #DF9640

analogous

#40D8DF #4089DF #4740DF

triadic

#4089DF #DF4089 #89DF40

tetradic

#4089DF #DF40D8 #DF9640 #40DF47

square

#4089DF #DF40D8 #DF9640 #40DF47

split-complementary

#4089DF #DF4740 #D8DF40

monochromatic

#184E8D #206AC1 #4089DF #74A9E8 #A9CAF1

Accessibility & contrast

On white

3.58

#4089DF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.86

#4089DF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4089DF

5.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4089DF	#FFFFFF	#000000	##000000
##4089DF	1.00	3.58	5.86	5.86
#FFFFFF	3.58	1.00	21.00	21.00
#000000	5.86	21.00	1.00	1.00
##000000	5.86	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#618FE2

Deuteranopia (green-blind)

#4980DD

Tritanopia (blue-blind)

#009DA9

Achromatopsia (no color)

#878787

Design tokens & code

CSS

--color: #4089df;
/* rgb */ color: rgb(64, 137, 223);
/* oklch */ color: oklch(62.5% 0.149 254.3);

Tailwind

colors: {
  custom: {
    50: '#87aae9',
    500: '#4089df',
    950: '#000000',
  },
}

SCSS

$custom: #4089df;
$custom-light: #87aae9;
$custom-dark: #000000;

JSON

{
  "hex": "#4089df",
  "rgb": {
    "r": 64,
    "g": 137,
    "b": 223
  },
  "hsl": {
    "h": 212.453,
    "s": 71.3,
    "l": 56.275
  },
  "oklch": {
    "l": 0.62515,
    "c": 0.14919,
    "h": 254.3
  },
  "luminance": 0.24309
}

Semantic roles & 50–950 ramp

primary

#4089DF

secondary

#DEC09D

accent

#9B3AEE

background

#F9FAFE

surface

#F1F4FD

border

#CBCED5

text

#0D1016

muted

#7E7F84

Preview Lab

Preview with #4089DF

Body copy rendered with the generated semantic roles for this colour.

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