#287C8B#287C8B

#287C8B is a mid, moderate teal. Relative luminance 0.167; OKLCH L 54.3% C 0.081 H 211.9°. Best body text is #FFFFFF at 4.83:1 contrast (WCAG AA passes).

Color values

HEX	#287C8B
RGB	rgb(40, 124, 139)
HSL	hsl(189, 55%, 35%)
HSV	hsv(189, 71%, 55%)
CMYK	cmyk(71.2%, 10.8%, 0%, 45.5%)
CIE-LAB	lab(47.92, -19.61, -15.42)
CIE-LCH	lch(47.92, 24.94, 218.17°)
OKLab	oklab(54.33% -0.0689 -0.0429)
OKLCH	oklch(54.33% 0.081 211.9)
XYZ	xyz(12.7409, 16.7290, 26.9786)
Luminance	0.1673 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#287C8B #8B3728

analogous

#288B68 #287C8B #284A8B

triadic

#287C8B #8B287C #7C8B28

tetradic

#287C8B #68288B #8B3728 #4A8B28

square

#287C8B #68288B #8B3728 #4A8B28

split-complementary

#287C8B #8B284A #8B6828

monochromatic

#0D272C #1A525B #287C8B #36A6BB #5DBFD0

Accessibility & contrast

On white

4.83

#287C8B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.35

#287C8B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #287C8B

4.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##287C8B	#FFFFFF	#000000	##FFFFFF
##287C8B	1.00	4.83	4.35	4.83
#FFFFFF	4.83	1.00	21.00	1.00
#000000	4.35	21.00	1.00	21.00
##FFFFFF	4.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#70788C

Deuteranopia (green-blind)

#626D8B

Tritanopia (blue-blind)

#008281

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #287c8b;
/* rgb */ color: rgb(40, 124, 139);
/* oklch */ color: oklch(54.3% 0.081 211.9);

Tailwind

colors: {
  custom: {
    50: '#70a2ac',
    500: '#287c8b',
    950: '#000000',
  },
}

SCSS

$custom: #287c8b;
$custom-light: #70a2ac;
$custom-dark: #000000;

JSON

{
  "hex": "#287c8b",
  "rgb": {
    "r": 40,
    "g": 124,
    "b": 139
  },
  "hsl": {
    "h": 189.091,
    "s": 55.307,
    "l": 35.098
  },
  "oklch": {
    "l": 0.54332,
    "c": 0.08118,
    "h": 211.9
  },
  "luminance": 0.1673
}

Semantic roles & 50–950 ramp

primary

#287C8B

secondary

#B66759

accent

#6049DF

background

#F7FAFA

surface

#EDF3F4

border

#C8CDCE

text

#080F10

muted

#7B7F7F

Preview Lab

Preview with #287C8B

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

Preview Lab → · Contrast checker → · Palette generator →