#288B5F#288B5F

#288B5F is a mid, moderate teal. Relative luminance 0.197; OKLCH L 56.9% C 0.114 H 159.7°. Best body text is #000000 at 4.95:1 contrast (WCAG AA passes).

Color values

HEX#288B5F
RGBrgb(40, 139, 95)
HSLhsl(153, 55%, 35%)
HSVhsv(153, 71%, 55%)
CMYKcmyk(71.2%, 0%, 31.7%, 45.5%)
CIE-LABlab(51.54, -39.11, 15.53)
CIE-LCHlch(51.54, 42.08, 158.35°)
OKLaboklab(56.87% -0.1065 0.0394)
OKLCHoklch(56.87% 0.114 159.7)
XYZxyz(12.1720, 19.7412, 13.9932)
Luminance0.1974 (WCAG relative)
Temperatureneutral
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#288B5F #8B2854
analogous
#288B2D #288B5F #28868B
triadic
#288B5F #5F288B #8B5F28
tetradic
#288B5F #2D288B #8B2854 #868B28
square
#288B5F #2D288B #8B2854 #868B28
split-complementary
#288B5F #8B2886 #8B2D28
monochromatic
#0D2C1E #1A5B3F #288B5F #36BB7F #5DD09D

Accessibility & contrast

On white

4.24
#288B5F on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

4.95
#288B5F on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #288B5F
4.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##288B5F#FFFFFF#000000##000000
##288B5F1.004.244.954.95
#FFFFFF4.241.0021.0021.00
#0000004.9521.001.001.00
##0000004.9521.001.001.00

Color blindness preview

Protanopia (red-blind)
#89805C
Deuteranopia (green-blind)
#7D7762
Tritanopia (blue-blind)
#008A7F
Achromatopsia (no color)
#7B7B7B

Design tokens & code

CSS
--color: #288b5f;
/* rgb */ color: rgb(40, 139, 95);
/* oklch */ color: oklch(56.9% 0.114 159.7);
Tailwind
colors: {
  custom: {
    50: '#70ae8c',
    500: '#288b5f',
    950: '#000000',
  },
}
SCSS
$custom: #288b5f;
$custom-light: #70ae8c;
$custom-dark: #000000;
JSON
{
  "hex": "#288b5f",
  "rgb": {
    "r": 40,
    "g": 139,
    "b": 95
  },
  "hsl": {
    "h": 153.333,
    "s": 55.307,
    "l": 35.098
  },
  "oklch": {
    "l": 0.5687,
    "c": 0.11357,
    "h": 159.7
  },
  "luminance": 0.19743
}

Semantic roles & 50–950 ramp

primary
#288B5F
secondary
#B65982
accent
#498CDF
background
#F7FAF8
surface
#EDF4F0
border
#C8CECB
text
#08100C
muted
#7B7F7D

Preview Lab

Preview with #288B5F

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

Preview Lab → · Contrast checker → · Palette generator →

#288B5F Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva