#287BAF#287BAF

#287BAF is a mid, moderate cyan. Relative luminance 0.177; OKLCH L 55.8% C 0.112 H 241.0°. Best body text is #FFFFFF at 4.62:1 contrast (WCAG AA passes).

Color values

HEX	#287BAF
RGB	rgb(40, 123, 175)
HSL	hsl(203, 63%, 42%)
HSV	hsv(203, 77%, 69%)
CMYK	cmyk(77.1%, 29.7%, 0%, 31.4%)
CIE-LAB	lab(49.14, -6.49, -34.58)
CIE-LCH	lch(49.14, 35.18, 259.37°)
OKLab	oklab(55.82% -0.0543 -0.0979)
OKLCH	oklch(55.82% 0.112 241)
XYZ	xyz(15.6929, 17.7103, 43.1405)
Luminance	0.1771 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#287BAF #AF5C28

analogous

#28AFA0 #287BAF #2838AF

triadic

#287BAF #AF287B #7BAF28

tetradic

#287BAF #A028AF #AF5C28 #38AF28

square

#287BAF #A028AF #AF5C28 #38AF28

split-complementary

#287BAF #AF2838 #AFA028

monochromatic

#11354B #1D587D #287BAF #419BD4 #73B5DF

Accessibility & contrast

On white

4.62

#287BAF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.54

#287BAF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #287BAF

4.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##287BAF	#FFFFFF	#000000	##FFFFFF
##287BAF	1.00	4.62	4.54	4.62
#FFFFFF	4.62	1.00	21.00	1.00
#000000	4.54	21.00	1.00	21.00
##FFFFFF	4.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#637CB1

Deuteranopia (green-blind)

#506FAE

Tritanopia (blue-blind)

#00888D

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #287baf;
/* rgb */ color: rgb(40, 123, 175);
/* oklch */ color: oklch(55.8% 0.112 241.0);

Tailwind

colors: {
  custom: {
    50: '#76a1c7',
    500: '#287baf',
    950: '#000000',
  },
}

SCSS

$custom: #287baf;
$custom-light: #76a1c7;
$custom-dark: #000000;

JSON

{
  "hex": "#287baf",
  "rgb": {
    "r": 40,
    "g": 123,
    "b": 175
  },
  "hsl": {
    "h": 203.111,
    "s": 62.791,
    "l": 42.157
  },
  "oklch": {
    "l": 0.55819,
    "c": 0.11193,
    "h": 241
  },
  "luminance": 0.17712
}

Semantic roles & 50–950 ramp

primary

#287BAF

secondary

#C68F6D

accent

#8142E6

background

#F7F9FC

surface

#EEF2F8

border

#C9CCD1

text

#0A0E13

muted

#7C7E82

Preview Lab

Preview with #287BAF

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

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