#288A7C#288A7C

#288A7C is a mid, moderate teal. Relative luminance 0.201; OKLCH L 57.4% C 0.091 H 181.4°. Best body text is #000000 at 5.02:1 contrast (WCAG AA passes).

Color values

HEX#288A7C
RGBrgb(40, 138, 124)
HSLhsl(171, 55%, 35%)
HSVhsv(171, 71%, 54%)
CMYKcmyk(71%, 0%, 10.1%, 45.9%)
CIE-LABlab(51.93, -31.28, -0.64)
CIE-LCHlch(51.93, 31.29, 181.17°)
OKLaboklab(57.42% -0.091 -0.0022)
OKLCHoklch(57.42% 0.091 181.4)
XYZxyz(13.5999, 20.0817, 22.2243)
Luminance0.2008 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#288A7C #8A2836
analogous
#288A4B #288A7C #28678A
triadic
#288A7C #7C288A #8A7C28
tetradic
#288A7C #4B288A #8A2836 #678A28
square
#288A7C #4B288A #8A2836 #678A28
split-complementary
#288A7C #8A2867 #8A4B28
monochromatic
#0C2B27 #1A5B51 #288A7C #36B9A7 #5DD0BF

Accessibility & contrast

On white

4.19
#288A7C on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.02
#288A7C on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #288A7C
5.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##288A7C#FFFFFF#000000##000000
##288A7C1.004.195.025.02
#FFFFFF4.191.0021.0021.00
#0000005.0221.001.001.00
##0000005.0221.001.001.00

Color blindness preview

Protanopia (red-blind)
#84827B
Deuteranopia (green-blind)
#76787D
Tritanopia (blue-blind)
#008D86
Achromatopsia (no color)
#7C7C7C

Design tokens & code

CSS
--color: #288a7c;
/* rgb */ color: rgb(40, 138, 124);
/* oklch */ color: oklch(57.4% 0.091 181.4);
Tailwind
colors: {
  custom: {
    50: '#71ada1',
    500: '#288a7c',
    950: '#000000',
  },
}
SCSS
$custom: #288a7c;
$custom-light: #71ada1;
$custom-dark: #000000;
JSON
{
  "hex": "#288a7c",
  "rgb": {
    "r": 40,
    "g": 138,
    "b": 124
  },
  "hsl": {
    "h": 171.429,
    "s": 55.056,
    "l": 34.902
  },
  "oklch": {
    "l": 0.57422,
    "c": 0.09105,
    "h": 181.4
  },
  "luminance": 0.20083
}

Semantic roles & 50–950 ramp

primary
#288A7C
secondary
#B55966
accent
#495FDE
background
#F7FAF9
surface
#EDF4F2
border
#C8CECC
text
#09100F
muted
#7B7F7E

Preview Lab

Preview with #288A7C

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

Preview Lab → · Contrast checker → · Palette generator →

#288A7C Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva