#288D90#288D90

#288D90 is a mid, moderate teal. Relative luminance 0.215; OKLCH L 58.9% C 0.089 H 198.0°. Best body text is #000000 at 5.30:1 contrast (WCAG AA passes).

Color values

HEX	#288D90
RGB	rgb(40, 141, 144)
HSL	hsl(182, 57%, 36%)
HSV	hsv(182, 72%, 56%)
CMYK	cmyk(72.2%, 2.1%, 0%, 43.5%)
CIE-LAB	lab(53.51, -26.83, -9.90)
CIE-LCH	lch(53.51, 28.59, 200.25°)
OKLab	oklab(58.91% -0.0848 -0.0275)
OKLCH	oklch(58.91% 0.089 198)
XYZ	xyz(15.4317, 21.5127, 29.7192)
Luminance	0.2151 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#288D90 #902B28

analogous

#28905F #288D90 #285990

triadic

#288D90 #90288D #8D9028

tetradic

#288D90 #5F2890 #902B28 #599028

square

#288D90 #5F2890 #902B28 #599028

split-complementary

#288D90 #902859 #905F28

monochromatic

#0D2F30 #1B5E60 #288D90 #35BCC0 #60CFD3

Accessibility & contrast

On white

3.96

#288D90 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.30

#288D90 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #288D90

5.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##288D90	#FFFFFF	#000000	##000000
##288D90	1.00	3.96	5.30	5.30
#FFFFFF	3.96	1.00	21.00	21.00
#000000	5.30	21.00	1.00	1.00
##000000	5.30	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#838690

Deuteranopia (green-blind)

#747B91

Tritanopia (blue-blind)

#00928E

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #288d90;
/* rgb */ color: rgb(40, 141, 144);
/* oklch */ color: oklch(58.9% 0.089 198.0);

Tailwind

colors: {
  custom: {
    50: '#73aeb0',
    500: '#288d90',
    950: '#000000',
  },
}

SCSS

$custom: #288d90;
$custom-light: #73aeb0;
$custom-dark: #000000;

JSON

{
  "hex": "#288d90",
  "rgb": {
    "r": 40,
    "g": 141,
    "b": 144
  },
  "hsl": {
    "h": 181.731,
    "s": 56.522,
    "l": 36.078
  },
  "oklch": {
    "l": 0.58907,
    "c": 0.08914,
    "h": 198
  },
  "luminance": 0.21514
}

Semantic roles & 50–950 ramp

primary

#288D90

secondary

#B85E5C

accent

#4C48E0

background

#F7FAFA

surface

#EDF4F4

border

#C8CECE

text

#091010

muted

#7B7F7F

Preview Lab

Preview with #288D90

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

Preview Lab → · Contrast checker → · Palette generator →