#288C5E#288C5E

#288C5E is a mid, moderate teal. Relative luminance 0.200; OKLCH L 57.1% C 0.116 H 158.9°. Best body text is #000000 at 5.00:1 contrast (WCAG AA passes).

Color values

HEX#288C5E
RGBrgb(40, 140, 94)
HSLhsl(152, 56%, 35%)
HSVhsv(152, 71%, 55%)
CMYKcmyk(71.4%, 0%, 32.9%, 45.1%)
CIE-LABlab(51.85, -39.75, 16.52)
CIE-LCHlch(51.85, 43.05, 157.44°)
OKLaboklab(57.12% -0.1081 0.0418)
OKLCHoklch(57.12% 0.116 158.9)
XYZxyz(12.2723, 20.0141, 13.8038)
Luminance0.2001 (WCAG relative)
Temperatureneutral
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#288C5E #8C2856
analogous
#288C2C #288C5E #28888C
triadic
#288C5E #5E288C #8C5E28
tetradic
#288C5E #2C288C #8C2856 #888C28
square
#288C5E #2C288C #8C2856 #888C28
split-complementary
#288C5E #8C2888 #8C2C28
monochromatic
#0D2D1E #1A5C3E #288C5E #36BC7E #5ED19C

Accessibility & contrast

On white

4.20
#288C5E on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.00
#288C5E on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #288C5E
5.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##288C5E#FFFFFF#000000##000000
##288C5E1.004.205.005.00
#FFFFFF4.201.0021.0021.00
#0000005.0021.001.001.00
##0000005.0021.001.001.00

Color blindness preview

Protanopia (red-blind)
#8B815B
Deuteranopia (green-blind)
#7E7861
Tritanopia (blue-blind)
#008B80
Achromatopsia (no color)
#7C7C7C

Design tokens & code

CSS
--color: #288c5e;
/* rgb */ color: rgb(40, 140, 94);
/* oklch */ color: oklch(57.1% 0.116 158.9);
Tailwind
colors: {
  custom: {
    50: '#70ae8c',
    500: '#288c5e',
    950: '#000000',
  },
}
SCSS
$custom: #288c5e;
$custom-light: #70ae8c;
$custom-dark: #000000;
JSON
{
  "hex": "#288c5e",
  "rgb": {
    "r": 40,
    "g": 140,
    "b": 94
  },
  "hsl": {
    "h": 152.4,
    "s": 55.556,
    "l": 35.294
  },
  "oklch": {
    "l": 0.57118,
    "c": 0.11589,
    "h": 158.9
  },
  "luminance": 0.20015
}

Semantic roles & 50–950 ramp

primary
#288C5E
secondary
#B65A84
accent
#498EDF
background
#F7FAF8
surface
#EDF4F0
border
#C8CECB
text
#08100C
muted
#7B7F7D

Preview Lab

Preview with #288C5E

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

Preview Lab → · Contrast checker → · Palette generator →

#288C5E Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva