#287CA7#287CA7

#287CA7 is a mid, moderate cyan. Relative luminance 0.177; OKLCH L 55.6% C 0.103 H 235.6°. Best body text is #FFFFFF at 4.63:1 contrast (WCAG AA passes).

Color values

HEX	#287CA7
RGB	rgb(40, 124, 167)
HSL	hsl(200, 61%, 41%)
HSV	hsv(200, 76%, 65%)
CMYK	cmyk(76%, 25.7%, 0%, 34.5%)
CIE-LAB	lab(49.07, -9.96, -30.04)
CIE-LCH	lch(49.07, 31.65, 251.65°)
OKLab	oklab(55.64% -0.0579 -0.0847)
OKLCH	oklch(55.64% 0.103 235.6)
XYZ	xyz(15.0550, 17.6547, 39.1660)
Luminance	0.1766 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#287CA7 #A75328

analogous

#28A792 #287CA7 #283CA7

triadic

#287CA7 #A7287C #7CA728

tetradic

#287CA7 #9228A7 #A75328 #3CA728

square

#287CA7 #9228A7 #A75328 #3CA728

split-complementary

#287CA7 #A7283C #A79228

monochromatic

#103344 #1C5776 #287CA7 #3C9ED0 #6DB7DC

Accessibility & contrast

On white

4.63

#287CA7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.53

#287CA7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #287CA7

4.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##287CA7	#FFFFFF	#000000	##FFFFFF
##287CA7	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)

#677BA9

Deuteranopia (green-blind)

#566FA6

Tritanopia (blue-blind)

#00878B

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #287ca7;
/* rgb */ color: rgb(40, 124, 167);
/* oklch */ color: oklch(55.6% 0.103 235.6);

Tailwind

colors: {
  custom: {
    50: '#75a1c1',
    500: '#287ca7',
    950: '#000000',
  },
}

SCSS

$custom: #287ca7;
$custom-light: #75a1c1;
$custom-dark: #000000;

JSON

{
  "hex": "#287ca7",
  "rgb": {
    "r": 40,
    "g": 124,
    "b": 167
  },
  "hsl": {
    "h": 200.315,
    "s": 61.353,
    "l": 40.588
  },
  "oklch": {
    "l": 0.55642,
    "c": 0.10263,
    "h": 235.6
  },
  "luminance": 0.17656
}

Semantic roles & 50–950 ramp

primary

#287CA7

secondary

#C38768

accent

#7A43E4

background

#F7F9FB

surface

#EEF2F7

border

#C9CCD0

text

#090F12

muted

#7B7E81

Preview Lab

Preview with #287CA7

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

Preview Lab → · Contrast checker → · Palette generator →