#288C91#288C91

#288C91 is a mid, moderate teal. Relative luminance 0.213; OKLCH L 58.7% C 0.089 H 200.0°. Best body text is #000000 at 5.25:1 contrast (WCAG AA passes).

Color values

HEX#288C91
RGBrgb(40, 140, 145)
HSLhsl(183, 57%, 36%)
HSVhsv(183, 72%, 57%)
CMYKcmyk(72.4%, 3.4%, 0%, 43.1%)
CIE-LABlab(53.22, -26.01, -10.90)
CIE-LCHlch(53.22, 28.21, 202.74°)
OKLaboklab(58.69% -0.0833 -0.0303)
OKLCHoklch(58.69% 0.089 200)
XYZxyz(15.3617, 21.2498, 30.0746)
Luminance0.2125 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#288C91 #912D28
analogous
#289162 #288C91 #285891
triadic
#288C91 #91288C #8C9128
tetradic
#288C91 #622891 #912D28 #589128
square
#288C91 #622891 #912D28 #589128
split-complementary
#288C91 #912858 #916228
monochromatic
#0E2F31 #1B5E61 #288C91 #35BAC1 #60CED3

Accessibility & contrast

On white

4.00
#288C91 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.25
#288C91 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #288C91
5.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##288C91#FFFFFF#000000##000000
##288C911.004.005.255.25
#FFFFFF4.001.0021.0021.00
#0000005.2521.001.001.00
##0000005.2521.001.001.00

Color blindness preview

Protanopia (red-blind)
#818691
Deuteranopia (green-blind)
#727A92
Tritanopia (blue-blind)
#00918D
Achromatopsia (no color)
#7F7F7F

Design tokens & code

CSS
--color: #288c91;
/* rgb */ color: rgb(40, 140, 145);
/* oklch */ color: oklch(58.7% 0.089 200.0);
Tailwind
colors: {
  custom: {
    50: '#73aeb1',
    500: '#288c91',
    950: '#000000',
  },
}
SCSS
$custom: #288c91;
$custom-light: #73aeb1;
$custom-dark: #000000;
JSON
{
  "hex": "#288c91",
  "rgb": {
    "r": 40,
    "g": 140,
    "b": 145
  },
  "hsl": {
    "h": 182.857,
    "s": 56.757,
    "l": 36.275
  },
  "oklch": {
    "l": 0.58688,
    "c": 0.08862,
    "h": 200
  },
  "luminance": 0.21252
}

Semantic roles & 50–950 ramp

primary
#288C91
secondary
#B9605C
accent
#4F48E0
background
#F7FAFA
surface
#EDF4F5
border
#C8CECF
text
#091010
muted
#7B7F7F

Preview Lab

Preview with #288C91

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

Preview Lab → · Contrast checker → · Palette generator →

#288C91 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva