#287BAB#287BAB

#287BAB is a mid, moderate cyan. Relative luminance 0.176; OKLCH L 55.6% C 0.107 H 238.9°. Best body text is #FFFFFF at 4.65:1 contrast (WCAG AA passes).

Color values

HEX	#287BAB
RGB	rgb(40, 123, 171)
HSL	hsl(202, 62%, 41%)
HSV	hsv(202, 77%, 67%)
CMYK	cmyk(76.6%, 28.1%, 0%, 32.9%)
CIE-LAB	lab(48.95, -7.94, -32.56)
CIE-LCH	lch(48.95, 33.51, 256.29°)
OKLab	oklab(55.61% -0.0556 -0.092)
OKLCH	oklch(55.61% 0.108 238.9)
XYZ	xyz(15.3058, 17.5555, 41.1021)
Luminance	0.1756 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#287BAB #AB5828

analogous

#28AB9A #287BAB #283AAB

triadic

#287BAB #AB287B #7BAB28

tetradic

#287BAB #9A28AB #AB5828 #3AAB28

square

#287BAB #9A28AB #AB5828 #3AAB28

split-complementary

#287BAB #AB283A #AB9A28

monochromatic

#113448 #1C5779 #287BAB #3E9CD2 #70B5DE

Accessibility & contrast

On white

4.65

#287BAB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.51

#287BAB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #287BAB

4.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##287BAB	#FFFFFF	#000000	##FFFFFF
##287BAB	1.00	4.65	4.51	4.65
#FFFFFF	4.65	1.00	21.00	1.00
#000000	4.51	21.00	1.00	21.00
##FFFFFF	4.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#647BAD

Deuteranopia (green-blind)

#526FAA

Tritanopia (blue-blind)

#00878C

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #287bab;
/* rgb */ color: rgb(40, 123, 171);
/* oklch */ color: oklch(55.6% 0.107 238.9);

Tailwind

colors: {
  custom: {
    50: '#75a1c4',
    500: '#287bab',
    950: '#000000',
  },
}

SCSS

$custom: #287bab;
$custom-light: #75a1c4;
$custom-dark: #000000;

JSON

{
  "hex": "#287bab",
  "rgb": {
    "r": 40,
    "g": 123,
    "b": 171
  },
  "hsl": {
    "h": 201.985,
    "s": 62.085,
    "l": 41.373
  },
  "oklch": {
    "l": 0.55606,
    "c": 0.1075,
    "h": 238.9
  },
  "luminance": 0.17557
}

Semantic roles & 50–950 ramp

primary

#287BAB

secondary

#C48B6A

accent

#7E43E5

background

#F7F9FC

surface

#EEF2F8

border

#C9CCD1

text

#0A0E12

muted

#7C7E81

Preview Lab

Preview with #287BAB

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

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