#287BAE#287BAE

#287BAE is a mid, moderate cyan. Relative luminance 0.177; OKLCH L 55.8% C 0.111 H 240.5°. Best body text is #FFFFFF at 4.63:1 contrast (WCAG AA passes).

Color values

HEX	#287BAE
RGB	rgb(40, 123, 174)
HSL	hsl(203, 63%, 42%)
HSV	hsv(203, 77%, 68%)
CMYK	cmyk(77%, 29.3%, 0%, 31.8%)
CIE-LAB	lab(49.09, -6.85, -34.07)
CIE-LCH	lch(49.09, 34.76, 258.63°)
OKLab	oklab(55.77% -0.0546 -0.0964)
OKLCH	oklch(55.77% 0.111 240.5)
XYZ	xyz(15.5950, 17.6712, 42.6252)
Luminance	0.1767 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#287BAE #AE5B28

analogous

#28AE9E #287BAE #2838AE

triadic

#287BAE #AE287B #7BAE28

tetradic

#287BAE #9E28AE #AE5B28 #38AE28

square

#287BAE #9E28AE #AE5B28 #38AE28

split-complementary

#287BAE #AE2838 #AE9E28

monochromatic

#11354A #1D587C #287BAE #409BD3 #72B5DF

Accessibility & contrast

On white

4.63

#287BAE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.53

#287BAE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #287BAE

4.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##287BAE	#FFFFFF	#000000	##FFFFFF
##287BAE	1.00	4.63	4.53	4.63
#FFFFFF	4.63	1.00	21.00	1.00
#000000	4.53	21.00	1.00	21.00
##FFFFFF	4.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#637CB0

Deuteranopia (green-blind)

#516FAD

Tritanopia (blue-blind)

#00888D

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #287bae;
/* rgb */ color: rgb(40, 123, 174);
/* oklch */ color: oklch(55.8% 0.111 240.5);

Tailwind

colors: {
  custom: {
    50: '#76a1c6',
    500: '#287bae',
    950: '#000000',
  },
}

SCSS

$custom: #287bae;
$custom-light: #76a1c6;
$custom-dark: #000000;

JSON

{
  "hex": "#287bae",
  "rgb": {
    "r": 40,
    "g": 123,
    "b": 174
  },
  "hsl": {
    "h": 202.836,
    "s": 62.617,
    "l": 41.961
  },
  "oklch": {
    "l": 0.55765,
    "c": 0.1108,
    "h": 240.5
  },
  "luminance": 0.17673
}

Semantic roles & 50–950 ramp

primary

#287BAE

secondary

#C68E6C

accent

#8042E6

background

#F7F9FC

surface

#EEF2F8

border

#C9CCD1

text

#0A0E13

muted

#7C7E82

Preview Lab

Preview with #287BAE

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

Preview Lab → · Contrast checker → · Palette generator →