#287CA8#287CA8

#287CA8 is a mid, moderate cyan. Relative luminance 0.177; OKLCH L 55.7% C 0.104 H 236.2°. Best body text is #FFFFFF at 4.63:1 contrast (WCAG AA passes).

Color values

HEX	#287CA8
RGB	rgb(40, 124, 168)
HSL	hsl(201, 62%, 41%)
HSV	hsv(201, 76%, 66%)
CMYK	cmyk(76.2%, 26.2%, 0%, 34.1%)
CIE-LAB	lab(49.12, -9.60, -30.55)
CIE-LCH	lch(49.12, 32.02, 252.55°)
OKLab	oklab(55.69% -0.0576 -0.0862)
OKLCH	oklch(55.69% 0.104 236.2)
XYZ	xyz(15.1478, 17.6918, 39.6547)
Luminance	0.1769 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#287CA8 #A85428

analogous

#28A894 #287CA8 #283CA8

triadic

#287CA8 #A8287C #7CA828

tetradic

#287CA8 #9428A8 #A85428 #3CA828

square

#287CA8 #9428A8 #A85428 #3CA828

split-complementary

#287CA8 #A8283C #A89428

monochromatic

#103345 #1C5877 #287CA8 #3D9ED1 #6EB6DC

Accessibility & contrast

On white

4.63

#287CA8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.54

#287CA8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #287CA8

4.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##287CA8	#FFFFFF	#000000	##FFFFFF
##287CA8	1.00	4.63	4.54	4.63
#FFFFFF	4.63	1.00	21.00	1.00
#000000	4.54	21.00	1.00	21.00
##FFFFFF	4.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#677BAA

Deuteranopia (green-blind)

#566FA7

Tritanopia (blue-blind)

#00878B

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #287ca8;
/* rgb */ color: rgb(40, 124, 168);
/* oklch */ color: oklch(55.7% 0.104 236.2);

Tailwind

colors: {
  custom: {
    50: '#75a1c2',
    500: '#287ca8',
    950: '#000000',
  },
}

SCSS

$custom: #287ca8;
$custom-light: #75a1c2;
$custom-dark: #000000;

JSON

{
  "hex": "#287ca8",
  "rgb": {
    "r": 40,
    "g": 124,
    "b": 168
  },
  "hsl": {
    "h": 200.625,
    "s": 61.538,
    "l": 40.784
  },
  "oklch": {
    "l": 0.55693,
    "c": 0.10366,
    "h": 236.2
  },
  "luminance": 0.17694
}

Semantic roles & 50–950 ramp

primary

#287CA8

secondary

#C38869

accent

#7B43E5

background

#F7F9FB

surface

#EEF2F7

border

#C9CCD0

text

#0A0F12

muted

#7C7E81

Preview Lab

Preview with #287CA8

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

Preview Lab → · Contrast checker → · Palette generator →