#287FAF#287FAF

#287FAF is a mid, moderate cyan. Relative luminance 0.187; OKLCH L 56.8% C 0.109 H 237.8°. Best body text is #000000 at 4.75:1 contrast (WCAG AA passes).

Color values

HEX	#287FAF
RGB	rgb(40, 127, 175)
HSL	hsl(201, 63%, 42%)
HSV	hsv(201, 77%, 69%)
CMYK	cmyk(77.1%, 27.4%, 0%, 31.4%)
CIE-LAB	lab(50.36, -8.82, -32.67)
CIE-LCH	lch(50.36, 33.84, 254.89°)
OKLab	oklab(56.79% -0.0581 -0.0923)
OKLCH	oklch(56.79% 0.109 237.8)
XYZ	xyz(16.1992, 18.7231, 43.3093)
Luminance	0.1872 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#287FAF #AF5828

analogous

#28AF9B #287FAF #283CAF

triadic

#287FAF #AF287F #7FAF28

tetradic

#287FAF #9B28AF #AF5828 #3CAF28

square

#287FAF #9B28AF #AF5828 #3CAF28

split-complementary

#287FAF #AF283C #AF9B28

monochromatic

#11374B #1D5B7D #287FAF #419FD4 #73B8DF

Accessibility & contrast

On white

4.43

#287FAF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.75

#287FAF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #287FAF

4.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##287FAF	#FFFFFF	#000000	##000000
##287FAF	1.00	4.43	4.75	4.75
#FFFFFF	4.43	1.00	21.00	21.00
#000000	4.75	21.00	1.00	1.00
##000000	4.75	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#687FB1

Deuteranopia (green-blind)

#5672AE

Tritanopia (blue-blind)

#008B90

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #287faf;
/* rgb */ color: rgb(40, 127, 175);
/* oklch */ color: oklch(56.8% 0.109 237.8);

Tailwind

colors: {
  custom: {
    50: '#76a4c7',
    500: '#287faf',
    950: '#000000',
  },
}

SCSS

$custom: #287faf;
$custom-light: #76a4c7;
$custom-dark: #000000;

JSON

{
  "hex": "#287faf",
  "rgb": {
    "r": 40,
    "g": 127,
    "b": 175
  },
  "hsl": {
    "h": 201.333,
    "s": 62.791,
    "l": 42.157
  },
  "oklch": {
    "l": 0.56786,
    "c": 0.10906,
    "h": 237.8
  },
  "luminance": 0.18725
}

Semantic roles & 50–950 ramp

primary

#287FAF

secondary

#C68C6D

accent

#7C42E6

background

#F7FAFC

surface

#EEF3F8

border

#C9CDD1

text

#0A0F13

muted

#7C7F82

Preview Lab

Preview with #287FAF

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

Preview Lab → · Contrast checker → · Palette generator →