#288B7C#288B7C

#288B7C is a mid, moderate teal. Relative luminance 0.204; OKLCH L 57.7% C 0.092 H 180.6°. Best body text is #000000 at 5.07:1 contrast (WCAG AA passes).

Color values

HEX#288B7C
RGBrgb(40, 139, 124)
HSLhsl(171, 55%, 35%)
HSVhsv(171, 71%, 55%)
CMYKcmyk(71.2%, 0%, 10.8%, 45.5%)
CIE-LABlab(52.25, -31.75, -0.16)
CIE-LCHlch(52.25, 31.76, 180.30°)
OKLaboklab(57.68% -0.0921 -0.001)
OKLCHoklch(57.68% 0.092 180.6)
XYZxyz(13.7440, 20.3700, 22.2723)
Luminance0.2037 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#288B7C #8B2837
analogous
#288B4A #288B7C #28688B
triadic
#288B7C #7C288B #8B7C28
tetradic
#288B7C #4A288B #8B2837 #688B28
square
#288B7C #4A288B #8B2837 #688B28
split-complementary
#288B7C #8B2868 #8B4A28
monochromatic
#0D2C27 #1A5B52 #288B7C #36BBA6 #5DD0BF

Accessibility & contrast

On white

4.14
#288B7C on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.07
#288B7C on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #288B7C
5.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##288B7C#FFFFFF#000000##000000
##288B7C1.004.145.075.07
#FFFFFF4.141.0021.0021.00
#0000005.0721.001.001.00
##0000005.0721.001.001.00

Color blindness preview

Protanopia (red-blind)
#85837B
Deuteranopia (green-blind)
#77787D
Tritanopia (blue-blind)
#008D86
Achromatopsia (no color)
#7D7D7D

Design tokens & code

CSS
--color: #288b7c;
/* rgb */ color: rgb(40, 139, 124);
/* oklch */ color: oklch(57.7% 0.092 180.6);
Tailwind
colors: {
  custom: {
    50: '#71ada1',
    500: '#288b7c',
    950: '#000000',
  },
}
SCSS
$custom: #288b7c;
$custom-light: #71ada1;
$custom-dark: #000000;
JSON
{
  "hex": "#288b7c",
  "rgb": {
    "r": 40,
    "g": 139,
    "b": 124
  },
  "hsl": {
    "h": 170.909,
    "s": 55.307,
    "l": 35.098
  },
  "oklch": {
    "l": 0.57685,
    "c": 0.09211,
    "h": 180.6
  },
  "luminance": 0.20372
}

Semantic roles & 50–950 ramp

primary
#288B7C
secondary
#B65967
accent
#4960DF
background
#F7FAF9
surface
#EDF4F2
border
#C8CECC
text
#09100F
muted
#7B7F7E

Preview Lab

Preview with #288B7C

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

Preview Lab → · Contrast checker → · Palette generator →

#288B7C Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva