#288378#288378

#288378 is a mid, moderate teal. Relative luminance 0.180; OKLCH L 55.4% C 0.086 H 183.6°. Best body text is #000000 at 4.61:1 contrast (WCAG AA passes).

Color values

HEX	#288378
RGB	rgb(40, 131, 120)
HSL	hsl(173, 53%, 34%)
HSV	hsv(173, 69%, 51%)
CMYK	cmyk(69.5%, 0%, 8.4%, 48.6%)
CIE-LAB	lab(49.54, -29.06, -1.80)
CIE-LCH	lch(49.54, 29.11, 183.55°)
OKLab	oklab(55.44% -0.0853 -0.0053)
OKLCH	oklch(55.44% 0.086 183.6)
XYZ	xyz(12.3799, 18.0384, 20.5950)
Luminance	0.1804 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#288378 #832833

analogous

#28834A #288378 #286083

triadic

#288378 #782883 #837828

tetradic

#288378 #4A2883 #832833 #608328

square

#288378 #4A2883 #832833 #608328

split-complementary

#288378 #832860 #834A28

monochromatic

#0B2522 #1A544D #288378 #36B2A3 #59CCBE

Accessibility & contrast

On white

4.56

#288378 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.61

#288378 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #288378

4.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##288378	#FFFFFF	#000000	##000000
##288378	1.00	4.56	4.61	4.61
#FFFFFF	4.56	1.00	21.00	21.00
#000000	4.61	21.00	1.00	1.00
##000000	4.61	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7D7B78

Deuteranopia (green-blind)

#6F7279

Tritanopia (blue-blind)

#008680

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #288378;
/* rgb */ color: rgb(40, 131, 120);
/* oklch */ color: oklch(55.4% 0.086 183.6);

Tailwind

colors: {
  custom: {
    50: '#6fa79e',
    500: '#288378',
    950: '#000000',
  },
}

SCSS

$custom: #288378;
$custom-light: #6fa79e;
$custom-dark: #000000;

JSON

{
  "hex": "#288378",
  "rgb": {
    "r": 40,
    "g": 131,
    "b": 120
  },
  "hsl": {
    "h": 172.747,
    "s": 53.216,
    "l": 33.529
  },
  "oklch": {
    "l": 0.5544,
    "c": 0.08551,
    "h": 183.6
  },
  "luminance": 0.1804
}

Semantic roles & 50–950 ramp

primary

#288378

secondary

#B15560

accent

#4B5DDD

background

#F7FAF9

surface

#EDF4F2

border

#C8CECC

text

#080F0E

muted

#7B7F7E

Preview Lab

Preview with #288378

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

Preview Lab → · Contrast checker → · Palette generator →