#287BAD#287BAD

#287BAD is a mid, moderate cyan. Relative luminance 0.176; OKLCH L 55.7% C 0.110 H 239.9°. Best body text is #FFFFFF at 4.64:1 contrast (WCAG AA passes).

Color values

HEX	#287BAD
RGB	rgb(40, 123, 173)
HSL	hsl(203, 62%, 42%)
HSV	hsv(203, 77%, 68%)
CMYK	cmyk(76.9%, 28.9%, 0%, 32.2%)
CIE-LAB	lab(49.05, -7.22, -33.57)
CIE-LCH	lch(49.05, 34.34, 257.87°)
OKLab	oklab(55.71% -0.0549 -0.0949)
OKLCH	oklch(55.71% 0.11 239.9)
XYZ	xyz(15.4979, 17.6323, 42.1136)
Luminance	0.1763 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#287BAD #AD5A28

analogous

#28AD9C #287BAD #2839AD

triadic

#287BAD #AD287B #7BAD28

tetradic

#287BAD #9C28AD #AD5A28 #39AD28

square

#287BAD #9C28AD #AD5A28 #39AD28

split-complementary

#287BAD #AD2839 #AD9C28

monochromatic

#11344A #1D587B #287BAD #3F9BD3 #71B5DE

Accessibility & contrast

On white

4.64

#287BAD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.53

#287BAD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #287BAD

4.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##287BAD	#FFFFFF	#000000	##FFFFFF
##287BAD	1.00	4.64	4.53	4.64
#FFFFFF	4.64	1.00	21.00	1.00
#000000	4.53	21.00	1.00	21.00
##FFFFFF	4.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#647BAF

Deuteranopia (green-blind)

#516FAC

Tritanopia (blue-blind)

#00888C

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #287bad;
/* rgb */ color: rgb(40, 123, 173);
/* oklch */ color: oklch(55.7% 0.110 239.9);

Tailwind

colors: {
  custom: {
    50: '#76a1c5',
    500: '#287bad',
    950: '#000000',
  },
}

SCSS

$custom: #287bad;
$custom-light: #76a1c5;
$custom-dark: #000000;

JSON

{
  "hex": "#287bad",
  "rgb": {
    "r": 40,
    "g": 123,
    "b": 173
  },
  "hsl": {
    "h": 202.556,
    "s": 62.441,
    "l": 41.765
  },
  "oklch": {
    "l": 0.55712,
    "c": 0.10969,
    "h": 239.9
  },
  "luminance": 0.17634
}

Semantic roles & 50–950 ramp

primary

#287BAD

secondary

#C58D6C

accent

#8042E6

background

#F7F9FC

surface

#EEF2F8

border

#C9CCD1

text

#0A0E13

muted

#7C7E82

Preview Lab

Preview with #287BAD

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

Preview Lab → · Contrast checker → · Palette generator →