#288B73#288B73

#288B73 is a mid, moderate teal. Relative luminance 0.202; OKLCH L 57.4% C 0.097 H 173.0°. Best body text is #000000 at 5.03:1 contrast (WCAG AA passes).

Color values

HEX	#288B73
RGB	rgb(40, 139, 115)
HSL	hsl(165, 55%, 35%)
HSV	hsv(165, 71%, 55%)
CMYK	cmyk(71.2%, 0%, 17.3%, 45.5%)
CIE-LAB	lab(52.01, -34.21, 4.70)
CIE-LCH	lch(52.01, 34.53, 172.18°)
OKLab	oklab(57.41% -0.0965 0.0119)
OKLCH	oklch(57.41% 0.097 173)
XYZ	xyz(13.2006, 20.1527, 19.4105)
Luminance	0.2015 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#288B73 #8B2840

analogous

#288B42 #288B73 #28718B

triadic

#288B73 #73288B #8B7328

tetradic

#288B73 #42288B #8B2840 #718B28

square

#288B73 #42288B #8B2840 #718B28

split-complementary

#288B73 #8B2871 #8B4228

monochromatic

#0D2C24 #1A5B4C #288B73 #36BB9A #5DD0B4

Accessibility & contrast

On white

4.17

#288B73 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.03

#288B73 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #288B73

5.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##288B73	#FFFFFF	#000000	##000000
##288B73	1.00	4.17	5.03	5.03
#FFFFFF	4.17	1.00	21.00	21.00
#000000	5.03	21.00	1.00	1.00
##000000	5.03	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#868272

Deuteranopia (green-blind)

#797875

Tritanopia (blue-blind)

#008C84

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #288b73;
/* rgb */ color: rgb(40, 139, 115);
/* oklch */ color: oklch(57.4% 0.097 173.0);

Tailwind

colors: {
  custom: {
    50: '#70ad9b',
    500: '#288b73',
    950: '#000000',
  },
}

SCSS

$custom: #288b73;
$custom-light: #70ad9b;
$custom-dark: #000000;

JSON

{
  "hex": "#288b73",
  "rgb": {
    "r": 40,
    "g": 139,
    "b": 115
  },
  "hsl": {
    "h": 165.455,
    "s": 55.307,
    "l": 35.098
  },
  "oklch": {
    "l": 0.57406,
    "c": 0.09726,
    "h": 173
  },
  "luminance": 0.20154
}

Semantic roles & 50–950 ramp

primary

#288B73

secondary

#B65970

accent

#496DDF

background

#F7FAF9

surface

#EDF4F2

border

#C8CECC

text

#08100E

muted

#7B7F7E

Preview Lab

Preview with #288B73

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

Preview Lab → · Contrast checker → · Palette generator →