#287C91#287C91

#287C91 is a mid, moderate cyan. Relative luminance 0.169; OKLCH L 54.6% C 0.084 H 218.0°. Best body text is #FFFFFF at 4.79:1 contrast (WCAG AA passes).

Color values

HEX	#287C91
RGB	rgb(40, 124, 145)
HSL	hsl(192, 57%, 36%)
HSV	hsv(192, 72%, 57%)
CMYK	cmyk(72.4%, 14.5%, 0%, 43.1%)
CIE-LAB	lab(48.15, -17.62, -18.60)
CIE-LCH	lch(48.15, 25.62, 226.56°)
OKLab	oklab(54.59% -0.0664 -0.0519)
OKLCH	oklch(54.59% 0.084 218)
XYZ	xyz(13.1914, 16.9092, 29.3512)
Luminance	0.1691 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#287C91 #913D28

analogous

#289172 #287C91 #284891

triadic

#287C91 #91287C #7C9128

tetradic

#287C91 #722891 #913D28 #489128

square

#287C91 #722891 #913D28 #489128

split-complementary

#287C91 #912848 #917228

monochromatic

#0E2A31 #1B5361 #287C91 #35A5C1 #60BCD3

Accessibility & contrast

On white

4.79

#287C91 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.38

#287C91 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #287C91

4.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##287C91	#FFFFFF	#000000	##FFFFFF
##287C91	1.00	4.79	4.38	4.79
#FFFFFF	4.79	1.00	21.00	1.00
#000000	4.38	21.00	1.00	21.00
##FFFFFF	4.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6E7892

Deuteranopia (green-blind)

#606E91

Tritanopia (blue-blind)

#008383

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #287c91;
/* rgb */ color: rgb(40, 124, 145);
/* oklch */ color: oklch(54.6% 0.084 218.0);

Tailwind

colors: {
  custom: {
    50: '#71a2b1',
    500: '#287c91',
    950: '#000000',
  },
}

SCSS

$custom: #287c91;
$custom-light: #71a2b1;
$custom-dark: #000000;

JSON

{
  "hex": "#287c91",
  "rgb": {
    "r": 40,
    "g": 124,
    "b": 145
  },
  "hsl": {
    "h": 192,
    "s": 56.757,
    "l": 36.275
  },
  "oklch": {
    "l": 0.54592,
    "c": 0.08426,
    "h": 218
  },
  "luminance": 0.16911
}

Semantic roles & 50–950 ramp

primary

#287C91

secondary

#B96F5C

accent

#6648E0

background

#F7F9FA

surface

#EDF2F5

border

#C8CCCF

text

#090F10

muted

#7B7E7F

Preview Lab

Preview with #287C91

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

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