#288E91#288E91

#288E91 is a mid, moderate teal. Relative luminance 0.218; OKLCH L 59.2% C 0.090 H 197.9°. Best body text is #000000 at 5.37:1 contrast (WCAG AA passes).

Color values

HEX	#288E91
RGB	rgb(40, 142, 145)
HSL	hsl(182, 57%, 36%)
HSV	hsv(182, 72%, 57%)
CMYK	cmyk(72.4%, 2.1%, 0%, 43.1%)
CIE-LAB	lab(53.86, -27.02, -9.95)
CIE-LCH	lch(53.86, 28.79, 200.22°)
OKLab	oklab(59.2% -0.0854 -0.0276)
OKLCH	oklch(59.2% 0.09 197.9)
XYZ	xyz(15.6566, 21.8396, 30.1729)
Luminance	0.2184 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#288E91 #912B28

analogous

#289160 #288E91 #285A91

triadic

#288E91 #91288E #8E9128

tetradic

#288E91 #602891 #912B28 #5A9128

square

#288E91 #602891 #912B28 #5A9128

split-complementary

#288E91 #91285A #916028

monochromatic

#0E3031 #1B5F61 #288E91 #35BDC1 #60D0D3

Accessibility & contrast

On white

3.91

#288E91 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.37

#288E91 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #288E91

5.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##288E91	#FFFFFF	#000000	##000000
##288E91	1.00	3.91	5.37	5.37
#FFFFFF	3.91	1.00	21.00	21.00
#000000	5.37	21.00	1.00	1.00
##000000	5.37	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#848791

Deuteranopia (green-blind)

#747C92

Tritanopia (blue-blind)

#00938F

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #288e91;
/* rgb */ color: rgb(40, 142, 145);
/* oklch */ color: oklch(59.2% 0.090 197.9);

Tailwind

colors: {
  custom: {
    50: '#73afb1',
    500: '#288e91',
    950: '#000000',
  },
}

SCSS

$custom: #288e91;
$custom-light: #73afb1;
$custom-dark: #000000;

JSON

{
  "hex": "#288e91",
  "rgb": {
    "r": 40,
    "g": 142,
    "b": 145
  },
  "hsl": {
    "h": 181.714,
    "s": 56.757,
    "l": 36.275
  },
  "oklch": {
    "l": 0.59202,
    "c": 0.08975,
    "h": 197.9
  },
  "luminance": 0.21841
}

Semantic roles & 50–950 ramp

primary

#288E91

secondary

#B95F5C

accent

#4C48E0

background

#F7FAFA

surface

#EDF4F5

border

#C8CECF

text

#091010

muted

#7B7F7F

Preview Lab

Preview with #288E91

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

Preview Lab → · Contrast checker → · Palette generator →