#288B5C#288B5C

#288B5C is a mid, moderate teal. Relative luminance 0.197; OKLCH L 56.8% C 0.116 H 158.2°. Best body text is #000000 at 4.94:1 contrast (WCAG AA passes).

Color values

HEX#288B5C
RGBrgb(40, 139, 92)
HSLhsl(152, 55%, 35%)
HSVhsv(152, 71%, 55%)
CMYKcmyk(71.2%, 0%, 33.8%, 45.5%)
CIE-LABlab(51.48, -39.77, 17.14)
CIE-LCHlch(51.48, 43.31, 156.68°)
OKLaboklab(56.8% -0.108 0.0433)
OKLCHoklch(56.8% 0.116 158.2)
XYZxyz(12.0383, 19.6877, 13.2888)
Luminance0.1969 (WCAG relative)
Temperatureneutral
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#288B5C #8B2857
analogous
#288B2A #288B5C #28888B
triadic
#288B5C #5C288B #8B5C28
tetradic
#288B5C #2A288B #8B2857 #888B28
square
#288B5C #2A288B #8B2857 #888B28
split-complementary
#288B5C #8B2888 #8B2A28
monochromatic
#0D2C1D #1A5B3D #288B5C #36BB7B #5DD09A

Accessibility & contrast

On white

4.25
#288B5C on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

4.94
#288B5C on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #288B5C
4.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##288B5C#FFFFFF#000000##000000
##288B5C1.004.254.944.94
#FFFFFF4.251.0021.0021.00
#0000004.9421.001.001.00
##0000004.9421.001.001.00

Color blindness preview

Protanopia (red-blind)
#8A8059
Deuteranopia (green-blind)
#7D775F
Tritanopia (blue-blind)
#008A7F
Achromatopsia (no color)
#7B7B7B

Design tokens & code

CSS
--color: #288b5c;
/* rgb */ color: rgb(40, 139, 92);
/* oklch */ color: oklch(56.8% 0.116 158.2);
Tailwind
colors: {
  custom: {
    50: '#70ae8a',
    500: '#288b5c',
    950: '#000000',
  },
}
SCSS
$custom: #288b5c;
$custom-light: #70ae8a;
$custom-dark: #000000;
JSON
{
  "hex": "#288b5c",
  "rgb": {
    "r": 40,
    "g": 139,
    "b": 92
  },
  "hsl": {
    "h": 151.515,
    "s": 55.307,
    "l": 35.098
  },
  "oklch": {
    "l": 0.568,
    "c": 0.11637,
    "h": 158.2
  },
  "luminance": 0.19689
}

Semantic roles & 50–950 ramp

primary
#288B5C
secondary
#B65985
accent
#4990DF
background
#F7FAF8
surface
#EDF4F0
border
#C8CECB
text
#08100B
muted
#7B7F7C

Preview Lab

Preview with #288B5C

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

Preview Lab → · Contrast checker → · Palette generator →

#288B5C Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva