#287DA8#287DA8

#287DA8 is a mid, moderate cyan. Relative luminance 0.179; OKLCH L 55.9% C 0.103 H 235.4°. Best body text is #000000 at 4.59:1 contrast (WCAG AA passes).

Color values

HEX	#287DA8
RGB	rgb(40, 125, 168)
HSL	hsl(200, 62%, 41%)
HSV	hsv(200, 76%, 66%)
CMYK	cmyk(76.2%, 25.6%, 0%, 34.1%)
CIE-LAB	lab(49.43, -10.18, -30.07)
CIE-LCH	lch(49.43, 31.75, 251.30°)
OKLab	oklab(55.94% -0.0586 -0.0848)
OKLCH	oklch(55.94% 0.103 235.4)
XYZ	xyz(15.2738, 17.9437, 39.6967)
Luminance	0.1795 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#287DA8 #A85328

analogous

#28A893 #287DA8 #283DA8

triadic

#287DA8 #A8287D #7DA828

tetradic

#287DA8 #9328A8 #A85328 #3DA828

square

#287DA8 #9328A8 #A85328 #3DA828

split-complementary

#287DA8 #A8283D #A89328

monochromatic

#103345 #1C5877 #287DA8 #3D9FD1 #6EB7DC

Accessibility & contrast

On white

4.58

#287DA8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.59

#287DA8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #287DA8

4.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##287DA8	#FFFFFF	#000000	##000000
##287DA8	1.00	4.58	4.59	4.59
#FFFFFF	4.58	1.00	21.00	21.00
#000000	4.59	21.00	1.00	1.00
##000000	4.59	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#687CAA

Deuteranopia (green-blind)

#5770A7

Tritanopia (blue-blind)

#00888C

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #287da8;
/* rgb */ color: rgb(40, 125, 168);
/* oklch */ color: oklch(55.9% 0.103 235.4);

Tailwind

colors: {
  custom: {
    50: '#75a2c2',
    500: '#287da8',
    950: '#000000',
  },
}

SCSS

$custom: #287da8;
$custom-light: #75a2c2;
$custom-dark: #000000;

JSON

{
  "hex": "#287da8",
  "rgb": {
    "r": 40,
    "g": 125,
    "b": 168
  },
  "hsl": {
    "h": 200.156,
    "s": 61.538,
    "l": 40.784
  },
  "oklch": {
    "l": 0.55938,
    "c": 0.10306,
    "h": 235.4
  },
  "luminance": 0.17946
}

Semantic roles & 50–950 ramp

primary

#287DA8

secondary

#C38769

accent

#7943E5

background

#F7F9FB

surface

#EEF2F7

border

#C9CCD0

text

#0A0F12

muted

#7C7E81

Preview Lab

Preview with #287DA8

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

Preview Lab → · Contrast checker → · Palette generator →