#287C99#287C99

#287C99 is a mid, moderate cyan. Relative luminance 0.172; OKLCH L 55.0% C 0.090 H 225.3°. Best body text is #FFFFFF at 4.74:1 contrast (WCAG AA passes).

Color values

HEX	#287C99
RGB	rgb(40, 124, 153)
HSL	hsl(195, 59%, 38%)
HSV	hsv(195, 74%, 60%)
CMYK	cmyk(73.9%, 19%, 0%, 40%)
CIE-LAB	lab(48.47, -14.89, -22.81)
CIE-LCH	lch(48.47, 27.24, 236.86°)
OKLab	oklab(54.96% -0.0632 -0.0639)
OKLCH	oklch(54.96% 0.09 225.3)
XYZ	xyz(13.8301, 17.1647, 32.7150)
Luminance	0.1717 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#287C99 #994528

analogous

#28997D #287C99 #284499

triadic

#287C99 #99287C #7C9928

tetradic

#287C99 #7D2899 #994528 #449928

square

#287C99 #7D2899 #994528 #449928

split-complementary

#287C99 #992844 #997D28

monochromatic

#0F2D38 #1B5568 #287C99 #35A3CA #65B9D7

Accessibility & contrast

On white

4.74

#287C99 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.43

#287C99 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #287C99

4.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##287C99	#FFFFFF	#000000	##FFFFFF
##287C99	1.00	4.74	4.43	4.74
#FFFFFF	4.74	1.00	21.00	1.00
#000000	4.43	21.00	1.00	21.00
##FFFFFF	4.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6C799A

Deuteranopia (green-blind)

#5D6E99

Tritanopia (blue-blind)

#008585

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #287c99;
/* rgb */ color: rgb(40, 124, 153);
/* oklch */ color: oklch(55.0% 0.090 225.3);

Tailwind

colors: {
  custom: {
    50: '#72a2b7',
    500: '#287c99',
    950: '#000000',
  },
}

SCSS

$custom: #287c99;
$custom-light: #72a2b7;
$custom-dark: #000000;

JSON

{
  "hex": "#287c99",
  "rgb": {
    "r": 40,
    "g": 124,
    "b": 153
  },
  "hsl": {
    "h": 195.398,
    "s": 58.549,
    "l": 37.843
  },
  "oklch": {
    "l": 0.54956,
    "c": 0.08983,
    "h": 225.3
  },
  "luminance": 0.17166
}

Semantic roles & 50–950 ramp

primary

#287C99

secondary

#BD7860

accent

#6E46E2

background

#F7F9FB

surface

#EDF2F6

border

#C8CCD0

text

#090F11

muted

#7B7E80

Preview Lab

Preview with #287C99

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

Preview Lab → · Contrast checker → · Palette generator →