#288B7D#288B7D

#288B7D is a mid, moderate teal. Relative luminance 0.204; OKLCH L 57.7% C 0.092 H 181.5°. Best body text is #000000 at 5.08:1 contrast (WCAG AA passes).

Color values

HEX#288B7D
RGBrgb(40, 139, 125)
HSLhsl(172, 55%, 35%)
HSVhsv(172, 71%, 55%)
CMYKcmyk(71.2%, 0%, 10.1%, 45.5%)
CIE-LABlab(52.28, -31.47, -0.70)
CIE-LCHlch(52.28, 31.48, 181.28°)
OKLaboklab(57.72% -0.0916 -0.0024)
OKLCHoklch(57.72% 0.092 181.5)
XYZxyz(13.8076, 20.3954, 22.6071)
Luminance0.2040 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#288B7D #8B2836
analogous
#288B4B #288B7D #28688B
triadic
#288B7D #7D288B #8B7D28
tetradic
#288B7D #4B288B #8B2836 #688B28
square
#288B7D #4B288B #8B2836 #688B28
split-complementary
#288B7D #8B2868 #8B4B28
monochromatic
#0D2C28 #1A5B52 #288B7D #36BBA8 #5DD0C0

Accessibility & contrast

On white

4.13
#288B7D on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.08
#288B7D on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #288B7D
5.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##288B7D#FFFFFF#000000##000000
##288B7D1.004.135.085.08
#FFFFFF4.131.0021.0021.00
#0000005.0821.001.001.00
##0000005.0821.001.001.00

Color blindness preview

Protanopia (red-blind)
#85837C
Deuteranopia (green-blind)
#77787E
Tritanopia (blue-blind)
#008E87
Achromatopsia (no color)
#7D7D7D

Design tokens & code

CSS
--color: #288b7d;
/* rgb */ color: rgb(40, 139, 125);
/* oklch */ color: oklch(57.7% 0.092 181.5);
Tailwind
colors: {
  custom: {
    50: '#71ada2',
    500: '#288b7d',
    950: '#000000',
  },
}
SCSS
$custom: #288b7d;
$custom-light: #71ada2;
$custom-dark: #000000;
JSON
{
  "hex": "#288b7d",
  "rgb": {
    "r": 40,
    "g": 139,
    "b": 125
  },
  "hsl": {
    "h": 171.515,
    "s": 55.307,
    "l": 35.098
  },
  "oklch": {
    "l": 0.57718,
    "c": 0.09165,
    "h": 181.5
  },
  "luminance": 0.20397
}

Semantic roles & 50–950 ramp

primary
#288B7D
secondary
#B65966
accent
#495EDF
background
#F7FAF9
surface
#EDF4F2
border
#C8CECC
text
#09100F
muted
#7B7F7E

Preview Lab

Preview with #288B7D

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

Preview Lab → · Contrast checker → · Palette generator →

#288B7D Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva