#288B83#288B83

#288B83 is a mid, moderate teal. Relative luminance 0.206; OKLCH L 57.9% C 0.089 H 187.1°. Best body text is #000000 at 5.11:1 contrast (WCAG AA passes).

Color values

HEX	#288B83
RGB	rgb(40, 139, 131)
HSL	hsl(175, 55%, 35%)
HSV	hsv(175, 71%, 55%)
CMYK	cmyk(71.2%, 0%, 5.8%, 45.5%)
CIE-LAB	lab(52.46, -29.75, -3.93)
CIE-LCH	lch(52.46, 30.01, 187.52°)
OKLab	oklab(57.92% -0.0887 -0.0111)
OKLCH	oklch(57.92% 0.089 187.1)
XYZ	xyz(14.2025, 20.5534, 24.6870)
Luminance	0.2056 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#288B83 #8B2830

analogous

#288B52 #288B83 #28618B

triadic

#288B83 #83288B #8B8328

tetradic

#288B83 #52288B #8B2830 #618B28

square

#288B83 #52288B #8B2830 #618B28

split-complementary

#288B83 #8B2861 #8B5228

monochromatic

#0D2C29 #1A5B56 #288B83 #36BBB0 #5DD0C7

Accessibility & contrast

On white

4.11

#288B83 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.11

#288B83 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #288B83

5.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##288B83	#FFFFFF	#000000	##000000
##288B83	1.00	4.11	5.11	5.11
#FFFFFF	4.11	1.00	21.00	21.00
#000000	5.11	21.00	1.00	1.00
##000000	5.11	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#838383

Deuteranopia (green-blind)

#757984

Tritanopia (blue-blind)

#008E88

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #288b83;
/* rgb */ color: rgb(40, 139, 131);
/* oklch */ color: oklch(57.9% 0.089 187.1);

Tailwind

colors: {
  custom: {
    50: '#71ada7',
    500: '#288b83',
    950: '#000000',
  },
}

SCSS

$custom: #288b83;
$custom-light: #71ada7;
$custom-dark: #000000;

JSON

{
  "hex": "#288b83",
  "rgb": {
    "r": 40,
    "g": 139,
    "b": 131
  },
  "hsl": {
    "h": 175.152,
    "s": 55.307,
    "l": 35.098
  },
  "oklch": {
    "l": 0.57919,
    "c": 0.08942,
    "h": 187.1
  },
  "luminance": 0.20555
}

Semantic roles & 50–950 ramp

primary

#288B83

secondary

#B65961

accent

#4955DF

background

#F7FAFA

surface

#EDF4F4

border

#C8CECE

text

#09100F

muted

#7B7F7F

Preview Lab

Preview with #288B83

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

Preview Lab → · Contrast checker → · Palette generator →