#287DAD#287DAD

#287DAD is a mid, moderate cyan. Relative luminance 0.181; OKLCH L 56.2% C 0.108 H 238.3°. Best body text is #000000 at 4.63:1 contrast (WCAG AA passes).

Color values

HEX	#287DAD
RGB	rgb(40, 125, 173)
HSL	hsl(202, 62%, 42%)
HSV	hsv(202, 77%, 68%)
CMYK	cmyk(76.9%, 27.7%, 0%, 32.2%)
CIE-LAB	lab(49.66, -8.38, -32.61)
CIE-LCH	lch(49.66, 33.67, 255.58°)
OKLab	oklab(56.2% -0.0569 -0.0921)
OKLCH	oklch(56.2% 0.108 238.3)
XYZ	xyz(15.7485, 18.1336, 42.1972)
Luminance	0.1814 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#287DAD #AD5828

analogous

#28AD9B #287DAD #283BAD

triadic

#287DAD #AD287D #7DAD28

tetradic

#287DAD #9B28AD #AD5828 #3BAD28

square

#287DAD #9B28AD #AD5828 #3BAD28

split-complementary

#287DAD #AD283B #AD9B28

monochromatic

#11354A #1D597B #287DAD #3F9ED3 #71B7DE

Accessibility & contrast

On white

4.54

#287DAD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.63

#287DAD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #287DAD

4.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##287DAD	#FFFFFF	#000000	##000000
##287DAD	1.00	4.54	4.63	4.63
#FFFFFF	4.54	1.00	21.00	21.00
#000000	4.63	21.00	1.00	1.00
##000000	4.63	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#667DAF

Deuteranopia (green-blind)

#5471AC

Tritanopia (blue-blind)

#00898E

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #287dad;
/* rgb */ color: rgb(40, 125, 173);
/* oklch */ color: oklch(56.2% 0.108 238.3);

Tailwind

colors: {
  custom: {
    50: '#76a2c5',
    500: '#287dad',
    950: '#000000',
  },
}

SCSS

$custom: #287dad;
$custom-light: #76a2c5;
$custom-dark: #000000;

JSON

{
  "hex": "#287dad",
  "rgb": {
    "r": 40,
    "g": 125,
    "b": 173
  },
  "hsl": {
    "h": 201.654,
    "s": 62.441,
    "l": 41.765
  },
  "oklch": {
    "l": 0.56197,
    "c": 0.10828,
    "h": 238.3
  },
  "luminance": 0.18135
}

Semantic roles & 50–950 ramp

primary

#287DAD

secondary

#C58C6C

accent

#7D42E6

background

#F7F9FC

surface

#EEF2F8

border

#C9CCD1

text

#0A0F13

muted

#7C7E82

Preview Lab

Preview with #287DAD

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

Preview Lab → · Contrast checker → · Palette generator →