#287C90#287C90

#287C90 is a mid, moderate cyan. Relative luminance 0.169; OKLCH L 54.5% C 0.084 H 217.0°. Best body text is #FFFFFF at 4.80:1 contrast (WCAG AA passes).

Color values

HEX	#287C90
RGB	rgb(40, 124, 144)
HSL	hsl(192, 57%, 36%)
HSV	hsv(192, 72%, 56%)
CMYK	cmyk(72.2%, 13.9%, 0%, 43.5%)
CIE-LAB	lab(48.11, -17.95, -18.07)
CIE-LCH	lch(48.11, 25.47, 225.19°)
OKLab	oklab(54.55% -0.0668 -0.0504)
OKLCH	oklch(54.55% 0.084 217)
XYZ	xyz(13.1147, 16.8785, 28.9469)
Luminance	0.1688 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#287C90 #903C28

analogous

#289070 #287C90 #284890

triadic

#287C90 #90287C #7C9028

tetradic

#287C90 #702890 #903C28 #489028

square

#287C90 #702890 #903C28 #489028

split-complementary

#287C90 #902848 #907028

monochromatic

#0D2A30 #1B5360 #287C90 #35A5C0 #60BDD3

Accessibility & contrast

On white

4.80

#287C90 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.38

#287C90 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #287C90

4.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##287C90	#FFFFFF	#000000	##FFFFFF
##287C90	1.00	4.80	4.38	4.80
#FFFFFF	4.80	1.00	21.00	1.00
#000000	4.38	21.00	1.00	21.00
##FFFFFF	4.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6F7891

Deuteranopia (green-blind)

#606E90

Tritanopia (blue-blind)

#008382

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #287c90;
/* rgb */ color: rgb(40, 124, 144);
/* oklch */ color: oklch(54.5% 0.084 217.0);

Tailwind

colors: {
  custom: {
    50: '#71a2b0',
    500: '#287c90',
    950: '#000000',
  },
}

SCSS

$custom: #287c90;
$custom-light: #71a2b0;
$custom-dark: #000000;

JSON

{
  "hex": "#287c90",
  "rgb": {
    "r": 40,
    "g": 124,
    "b": 144
  },
  "hsl": {
    "h": 191.538,
    "s": 56.522,
    "l": 36.078
  },
  "oklch": {
    "l": 0.54548,
    "c": 0.08368,
    "h": 217
  },
  "luminance": 0.1688
}

Semantic roles & 50–950 ramp

primary

#287C90

secondary

#B86D5C

accent

#6548E0

background

#F7F9FA

surface

#EDF2F4

border

#C8CCCE

text

#090F10

muted

#7B7E7F

Preview Lab

Preview with #287C90

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

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