#287C80#287C80

#287C80 is a mid, moderate teal. Relative luminance 0.164; OKLCH L 53.9% C 0.078 H 199.7°. Best body text is #FFFFFF at 4.90:1 contrast (WCAG AA passes).

Color values

HEX	#287C80
RGB	rgb(40, 124, 128)
HSL	hsl(183, 52%, 33%)
HSV	hsv(183, 69%, 50%)
CMYK	cmyk(68.8%, 3.1%, 0%, 49.8%)
CIE-LAB	lab(47.53, -23.14, -9.51)
CIE-LCH	lch(47.53, 25.02, 202.34°)
OKLab	oklab(53.89% -0.0738 -0.0264)
OKLCH	oklch(53.89% 0.078 199.7)
XYZ	xyz(11.9773, 16.4236, 22.9567)
Luminance	0.1643 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#287C80 #802C28

analogous

#288058 #287C80 #285080

triadic

#287C80 #80287C #7C8028

tetradic

#287C80 #582880 #802C28 #508028

square

#287C80 #582880 #802C28 #508028

split-complementary

#287C80 #802850 #805828

monochromatic

#0B2223 #194F51 #287C80 #37A9AF #58C5CB

Accessibility & contrast

On white

4.90

#287C80 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.28

#287C80 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #287C80

4.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##287C80	#FFFFFF	#000000	##FFFFFF
##287C80	1.00	4.90	4.28	4.90
#FFFFFF	4.90	1.00	21.00	1.00
#000000	4.28	21.00	1.00	21.00
##FFFFFF	4.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#737680

Deuteranopia (green-blind)

#666D80

Tritanopia (blue-blind)

#00817D

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #287c80;
/* rgb */ color: rgb(40, 124, 128);
/* oklch */ color: oklch(53.9% 0.078 199.7);

Tailwind

colors: {
  custom: {
    50: '#6fa2a4',
    500: '#287c80',
    950: '#000000',
  },
}

SCSS

$custom: #287c80;
$custom-light: #6fa2a4;
$custom-dark: #000000;

JSON

{
  "hex": "#287c80",
  "rgb": {
    "r": 40,
    "g": 124,
    "b": 128
  },
  "hsl": {
    "h": 182.727,
    "s": 52.381,
    "l": 32.941
  },
  "oklch": {
    "l": 0.53887,
    "c": 0.07842,
    "h": 199.7
  },
  "luminance": 0.16425
}

Semantic roles & 50–950 ramp

primary

#287C80

secondary

#B05854

accent

#534CDC

background

#F7FAFA

surface

#EDF3F4

border

#C8CDCE

text

#080F0F

muted

#7B7F7F

Preview Lab

Preview with #287C80

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

Preview Lab → · Contrast checker → · Palette generator →