#287B8A#287B8A

#287B8A is a mid, moderate teal. Relative luminance 0.165; OKLCH L 54.0% C 0.081 H 212.0°. Best body text is #FFFFFF at 4.89:1 contrast (WCAG AA passes).

Color values

HEX	#287B8A
RGB	rgb(40, 123, 138)
HSL	hsl(189, 55%, 35%)
HSV	hsv(189, 71%, 54%)
CMYK	cmyk(71%, 10.9%, 0%, 45.9%)
CIE-LAB	lab(47.56, -19.40, -15.37)
CIE-LCH	lch(47.56, 24.75, 218.38°)
OKLab	oklab(54.03% -0.0683 -0.0428)
OKLCH	oklch(54.03% 0.081 212)
XYZ	xyz(12.5435, 16.4506, 26.5540)
Luminance	0.1645 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#287B8A #8A3728

analogous

#288A68 #287B8A #284A8A

triadic

#287B8A #8A287B #7B8A28

tetradic

#287B8A #68288A #8A3728 #4A8A28

square

#287B8A #68288A #8A3728 #4A8A28

split-complementary

#287B8A #8A284A #8A6828

monochromatic

#0C262B #1A515B #287B8A #36A5B9 #5DBED0

Accessibility & contrast

On white

4.89

#287B8A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.29

#287B8A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #287B8A

4.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##287B8A	#FFFFFF	#000000	##FFFFFF
##287B8A	1.00	4.89	4.29	4.89
#FFFFFF	4.89	1.00	21.00	1.00
#000000	4.29	21.00	1.00	21.00
##FFFFFF	4.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6F778B

Deuteranopia (green-blind)

#616C8A

Tritanopia (blue-blind)

#008180

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #287b8a;
/* rgb */ color: rgb(40, 123, 138);
/* oklch */ color: oklch(54.0% 0.081 212.0);

Tailwind

colors: {
  custom: {
    50: '#70a1ac',
    500: '#287b8a',
    950: '#000000',
  },
}

SCSS

$custom: #287b8a;
$custom-light: #70a1ac;
$custom-dark: #000000;

JSON

{
  "hex": "#287b8a",
  "rgb": {
    "r": 40,
    "g": 123,
    "b": 138
  },
  "hsl": {
    "h": 189.184,
    "s": 55.056,
    "l": 34.902
  },
  "oklch": {
    "l": 0.54033,
    "c": 0.08057,
    "h": 212
  },
  "luminance": 0.16452
}

Semantic roles & 50–950 ramp

primary

#287B8A

secondary

#B56759

accent

#6049DE

background

#F7F9FA

surface

#EDF2F4

border

#C8CCCE

text

#080F10

muted

#7B7E7F

Preview Lab

Preview with #287B8A

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

Preview Lab → · Contrast checker → · Palette generator →