#288C83#288C83

#288C83 is a mid, moderate teal. Relative luminance 0.208; OKLCH L 58.2% C 0.090 H 186.2°. Best body text is #000000 at 5.17:1 contrast (WCAG AA passes).

Color values

HEX	#288C83
RGB	rgb(40, 140, 131)
HSL	hsl(175, 56%, 35%)
HSV	hsv(175, 71%, 55%)
CMYK	cmyk(71.4%, 0%, 6.4%, 45.1%)
CIE-LAB	lab(52.78, -30.23, -3.45)
CIE-LCH	lch(52.78, 30.43, 186.51°)
OKLab	oklab(58.18% -0.0898 -0.0098)
OKLCH	oklch(58.18% 0.09 186.2)
XYZ	xyz(14.3480, 20.8443, 24.7355)
Luminance	0.2085 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#288C83 #8C2831

analogous

#288C51 #288C83 #28638C

triadic

#288C83 #83288C #8C8328

tetradic

#288C83 #51288C #8C2831 #638C28

square

#288C83 #51288C #8C2831 #638C28

split-complementary

#288C83 #8C2863 #8C5128

monochromatic

#0D2D2A #1A5C56 #288C83 #36BCB0 #5ED1C6

Accessibility & contrast

On white

4.06

#288C83 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.17

#288C83 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #288C83

5.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##288C83	#FFFFFF	#000000	##000000
##288C83	1.00	4.06	5.17	5.17
#FFFFFF	4.06	1.00	21.00	21.00
#000000	5.17	21.00	1.00	1.00
##000000	5.17	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#858483

Deuteranopia (green-blind)

#767A84

Tritanopia (blue-blind)

#008F89

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #288c83;
/* rgb */ color: rgb(40, 140, 131);
/* oklch */ color: oklch(58.2% 0.090 186.2);

Tailwind

colors: {
  custom: {
    50: '#72aea7',
    500: '#288c83',
    950: '#000000',
  },
}

SCSS

$custom: #288c83;
$custom-light: #72aea7;
$custom-dark: #000000;

JSON

{
  "hex": "#288c83",
  "rgb": {
    "r": 40,
    "g": 140,
    "b": 131
  },
  "hsl": {
    "h": 174.6,
    "s": 55.556,
    "l": 35.294
  },
  "oklch": {
    "l": 0.58181,
    "c": 0.09034,
    "h": 186.2
  },
  "luminance": 0.20846
}

Semantic roles & 50–950 ramp

primary

#288C83

secondary

#B65A62

accent

#4956DF

background

#F7FAFA

surface

#EDF4F4

border

#C8CECE

text

#09100F

muted

#7B7F7F

Preview Lab

Preview with #288C83

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

Preview Lab → · Contrast checker → · Palette generator →