#288B6B#288B6B

#288B6B is a mid, moderate teal. Relative luminance 0.200; OKLCH L 57.2% C 0.103 H 167.1°. Best body text is #000000 at 5.00:1 contrast (WCAG AA passes).

Color values

HEX#288B6B
RGBrgb(40, 139, 107)
HSLhsl(161, 55%, 35%)
HSVhsv(161, 71%, 55%)
CMYKcmyk(71.2%, 0%, 23%, 45.5%)
CIE-LABlab(51.81, -36.27, 9.03)
CIE-LCHlch(51.81, 37.37, 166.02°)
OKLaboklab(57.18% -0.1005 0.0231)
OKLCHoklch(57.18% 0.103 167.1)
XYZxyz(12.7601, 19.9764, 17.0904)
Luminance0.1998 (WCAG relative)
Temperatureneutral
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#288B6B #8B2848
analogous
#288B39 #288B6B #28798B
triadic
#288B6B #6B288B #8B6B28
tetradic
#288B6B #39288B #8B2848 #798B28
square
#288B6B #39288B #8B2848 #798B28
split-complementary
#288B6B #8B2879 #8B3928
monochromatic
#0D2C22 #1A5B46 #288B6B #36BB90 #5DD0AB

Accessibility & contrast

On white

4.20
#288B6B on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.00
#288B6B on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #288B6B
5.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##288B6B#FFFFFF#000000##000000
##288B6B1.004.205.005.00
#FFFFFF4.201.0021.0021.00
#0000005.0021.001.001.00
##0000005.0021.001.001.00

Color blindness preview

Protanopia (red-blind)
#888169
Deuteranopia (green-blind)
#7B786D
Tritanopia (blue-blind)
#008C82
Achromatopsia (no color)
#7B7B7B

Design tokens & code

CSS
--color: #288b6b;
/* rgb */ color: rgb(40, 139, 107);
/* oklch */ color: oklch(57.2% 0.103 167.1);
Tailwind
colors: {
  custom: {
    50: '#70ad95',
    500: '#288b6b',
    950: '#000000',
  },
}
SCSS
$custom: #288b6b;
$custom-light: #70ad95;
$custom-dark: #000000;
JSON
{
  "hex": "#288b6b",
  "rgb": {
    "r": 40,
    "g": 139,
    "b": 107
  },
  "hsl": {
    "h": 160.606,
    "s": 55.307,
    "l": 35.098
  },
  "oklch": {
    "l": 0.57177,
    "c": 0.10314,
    "h": 167.1
  },
  "luminance": 0.19978
}

Semantic roles & 50–950 ramp

primary
#288B6B
secondary
#B65977
accent
#4979DF
background
#F7FAF9
surface
#EDF4F1
border
#C8CECB
text
#08100D
muted
#7B7F7E

Preview Lab

Preview with #288B6B

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

Preview Lab → · Contrast checker → · Palette generator →

#288B6B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva