#287C9A#287C9A

#287C9A is a mid, moderate cyan. Relative luminance 0.172; OKLCH L 55.0% C 0.091 H 226.2°. Best body text is #FFFFFF at 4.73:1 contrast (WCAG AA passes).

Color values

HEX	#287C9A
RGB	rgb(40, 124, 154)
HSL	hsl(196, 59%, 38%)
HSV	hsv(196, 74%, 60%)
CMYK	cmyk(74%, 19.5%, 0%, 39.6%)
CIE-LAB	lab(48.51, -14.54, -23.33)
CIE-LCH	lch(48.51, 27.49, 238.06°)
OKLab	oklab(55% -0.0628 -0.0654)
OKLCH	oklch(55% 0.091 226.2)
XYZ	xyz(13.9131, 17.1979, 33.1518)
Luminance	0.1720 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#287C9A #9A4628

analogous

#289A7F #287C9A #28439A

triadic

#287C9A #9A287C #7C9A28

tetradic

#287C9A #7F289A #9A4628 #439A28

square

#287C9A #7F289A #9A4628 #439A28

split-complementary

#287C9A #9A2843 #9A7F28

monochromatic

#0F2E39 #1B5569 #287C9A #35A3CA #65B9D7

Accessibility & contrast

On white

4.73

#287C9A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.44

#287C9A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #287C9A

4.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##287C9A	#FFFFFF	#000000	##FFFFFF
##287C9A	1.00	4.73	4.44	4.73
#FFFFFF	4.73	1.00	21.00	1.00
#000000	4.44	21.00	1.00	21.00
##FFFFFF	4.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6C7A9C

Deuteranopia (green-blind)

#5C6E9A

Tritanopia (blue-blind)

#008586

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #287c9a;
/* rgb */ color: rgb(40, 124, 154);
/* oklch */ color: oklch(55.0% 0.091 226.2);

Tailwind

colors: {
  custom: {
    50: '#72a2b8',
    500: '#287c9a',
    950: '#000000',
  },
}

SCSS

$custom: #287c9a;
$custom-light: #72a2b8;
$custom-dark: #000000;

JSON

{
  "hex": "#287c9a",
  "rgb": {
    "r": 40,
    "g": 124,
    "b": 154
  },
  "hsl": {
    "h": 195.789,
    "s": 58.763,
    "l": 38.039
  },
  "oklch": {
    "l": 0.55003,
    "c": 0.09062,
    "h": 226.2
  },
  "luminance": 0.172
}

Semantic roles & 50–950 ramp

primary

#287C9A

secondary

#BD7961

accent

#6F46E2

background

#F7F9FB

surface

#EDF2F6

border

#C8CCD0

text

#090F11

muted

#7B7E80

Preview Lab

Preview with #287C9A

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

Preview Lab → · Contrast checker → · Palette generator →