#287EAB#287EAB

#287EAB is a mid, moderate cyan. Relative luminance 0.183; OKLCH L 56.3% C 0.106 H 236.3°. Best body text is #000000 at 4.66:1 contrast (WCAG AA passes).

Color values

HEX	#287EAB
RGB	rgb(40, 126, 171)
HSL	hsl(201, 62%, 41%)
HSV	hsv(201, 77%, 67%)
CMYK	cmyk(76.6%, 26.3%, 0%, 32.9%)
CIE-LAB	lab(49.87, -9.68, -31.12)
CIE-LCH	lch(49.87, 32.59, 252.72°)
OKLab	oklab(56.34% -0.0585 -0.0878)
OKLCH	oklch(56.34% 0.106 236.3)
XYZ	xyz(15.6837, 18.3112, 41.2280)
Luminance	0.1831 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#287EAB #AB5528

analogous

#28AB97 #287EAB #283DAB

triadic

#287EAB #AB287E #7EAB28

tetradic

#287EAB #9728AB #AB5528 #3DAB28

square

#287EAB #9728AB #AB5528 #3DAB28

split-complementary

#287EAB #AB283D #AB9728

monochromatic

#113548 #1C5979 #287EAB #3E9FD2 #70B8DE

Accessibility & contrast

On white

4.50

#287EAB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.66

#287EAB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #287EAB

4.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##287EAB	#FFFFFF	#000000	##000000
##287EAB	1.00	4.50	4.66	4.66
#FFFFFF	4.50	1.00	21.00	21.00
#000000	4.66	21.00	1.00	1.00
##000000	4.66	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#687EAD

Deuteranopia (green-blind)

#5771AA

Tritanopia (blue-blind)

#008A8D

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #287eab;
/* rgb */ color: rgb(40, 126, 171);
/* oklch */ color: oklch(56.3% 0.106 236.3);

Tailwind

colors: {
  custom: {
    50: '#75a3c4',
    500: '#287eab',
    950: '#000000',
  },
}

SCSS

$custom: #287eab;
$custom-light: #75a3c4;
$custom-dark: #000000;

JSON

{
  "hex": "#287eab",
  "rgb": {
    "r": 40,
    "g": 126,
    "b": 171
  },
  "hsl": {
    "h": 200.611,
    "s": 62.085,
    "l": 41.373
  },
  "oklch": {
    "l": 0.56336,
    "c": 0.10552,
    "h": 236.3
  },
  "luminance": 0.18313
}

Semantic roles & 50–950 ramp

primary

#287EAB

secondary

#C4896A

accent

#7A43E5

background

#F7FAFC

surface

#EEF3F8

border

#C9CDD1

text

#0A0F12

muted

#7C7F81

Preview Lab

Preview with #287EAB

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

Preview Lab → · Contrast checker → · Palette generator →