#287F91#287F91

#287F91 is a mid, moderate cyan. Relative luminance 0.177; OKLCH L 55.4% C 0.084 H 214.5°. Best body text is #FFFFFF at 4.63:1 contrast (WCAG AA passes).

Color values

HEX	#287F91
RGB	rgb(40, 127, 145)
HSL	hsl(190, 57%, 36%)
HSV	hsv(190, 72%, 57%)
CMYK	cmyk(72.4%, 12.4%, 0%, 43.1%)
CIE-LAB	lab(49.10, -19.24, -17.15)
CIE-LCH	lch(49.10, 25.77, 221.71°)
OKLab	oklab(55.36% -0.0696 -0.0478)
OKLCH	oklch(55.36% 0.084 214.5)
XYZ	xyz(13.5731, 17.6726, 29.4784)
Luminance	0.1767 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#287F91 #913A28

analogous

#28916F #287F91 #284B91

triadic

#287F91 #91287F #7F9128

tetradic

#287F91 #6F2891 #913A28 #4B9128

square

#287F91 #6F2891 #913A28 #4B9128

split-complementary

#287F91 #91284B #916F28

monochromatic

#0E2B31 #1B5561 #287F91 #35A9C1 #60BFD3

Accessibility & contrast

On white

4.63

#287F91 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.53

#287F91 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #287F91

4.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##287F91	#FFFFFF	#000000	##FFFFFF
##287F91	1.00	4.63	4.53	4.63
#FFFFFF	4.63	1.00	21.00	1.00
#000000	4.53	21.00	1.00	21.00
##FFFFFF	4.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#727B92

Deuteranopia (green-blind)

#637091

Tritanopia (blue-blind)

#008685

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #287f91;
/* rgb */ color: rgb(40, 127, 145);
/* oklch */ color: oklch(55.4% 0.084 214.5);

Tailwind

colors: {
  custom: {
    50: '#71a4b1',
    500: '#287f91',
    950: '#000000',
  },
}

SCSS

$custom: #287f91;
$custom-light: #71a4b1;
$custom-dark: #000000;

JSON

{
  "hex": "#287f91",
  "rgb": {
    "r": 40,
    "g": 127,
    "b": 145
  },
  "hsl": {
    "h": 190.286,
    "s": 56.757,
    "l": 36.275
  },
  "oklch": {
    "l": 0.55357,
    "c": 0.08439,
    "h": 214.5
  },
  "luminance": 0.17674
}

Semantic roles & 50–950 ramp

primary

#287F91

secondary

#B96C5C

accent

#6248E0

background

#F7FAFA

surface

#EDF4F5

border

#C8CECF

text

#090F10

muted

#7B7F7F

Preview Lab

Preview with #287F91

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

Preview Lab → · Contrast checker → · Palette generator →