#287D91#287D91

#287D91 is a mid, moderate cyan. Relative luminance 0.172; OKLCH L 54.8% C 0.084 H 216.8°. Best body text is #FFFFFF at 4.74:1 contrast (WCAG AA passes).

Color values

HEX	#287D91
RGB	rgb(40, 125, 145)
HSL	hsl(191, 57%, 36%)
HSV	hsv(191, 72%, 57%)
CMYK	cmyk(72.4%, 13.8%, 0%, 43.1%)
CIE-LAB	lab(48.46, -18.16, -18.12)
CIE-LCH	lch(48.46, 25.65, 224.93°)
OKLab	oklab(54.85% -0.0674 -0.0505)
OKLCH	oklch(54.85% 0.084 216.8)
XYZ	xyz(13.3174, 17.1611, 29.3931)
Luminance	0.1716 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#287D91 #913C28

analogous

#289171 #287D91 #284991

triadic

#287D91 #91287D #7D9128

tetradic

#287D91 #712891 #913C28 #499128

square

#287D91 #712891 #913C28 #499128

split-complementary

#287D91 #912849 #917128

monochromatic

#0E2A31 #1B5461 #287D91 #35A6C1 #60BDD3

Accessibility & contrast

On white

4.74

#287D91 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.43

#287D91 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #287D91

4.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##287D91	#FFFFFF	#000000	##FFFFFF
##287D91	1.00	4.74	4.43	4.74
#FFFFFF	4.74	1.00	21.00	1.00
#000000	4.43	21.00	1.00	21.00
##FFFFFF	4.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#707992

Deuteranopia (green-blind)

#616E91

Tritanopia (blue-blind)

#008483

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #287d91;
/* rgb */ color: rgb(40, 125, 145);
/* oklch */ color: oklch(54.8% 0.084 216.8);

Tailwind

colors: {
  custom: {
    50: '#71a2b1',
    500: '#287d91',
    950: '#000000',
  },
}

SCSS

$custom: #287d91;
$custom-light: #71a2b1;
$custom-dark: #000000;

JSON

{
  "hex": "#287d91",
  "rgb": {
    "r": 40,
    "g": 125,
    "b": 145
  },
  "hsl": {
    "h": 191.429,
    "s": 56.757,
    "l": 36.275
  },
  "oklch": {
    "l": 0.54847,
    "c": 0.08427,
    "h": 216.8
  },
  "luminance": 0.17163
}

Semantic roles & 50–950 ramp

primary

#287D91

secondary

#B96E5C

accent

#6548E0

background

#F7FAFA

surface

#EDF3F5

border

#C8CDCF

text

#090F10

muted

#7B7F7F

Preview Lab

Preview with #287D91

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

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