#288D9C#288D9C

#288D9C is a mid, moderate teal. Relative luminance 0.219; OKLCH L 59.4% C 0.091 H 209.6°. Best body text is #000000 at 5.38:1 contrast (WCAG AA passes).

Color values

HEX#288D9C
RGBrgb(40, 141, 156)
HSLhsl(188, 59%, 38%)
HSVhsv(188, 74%, 61%)
CMYKcmyk(74.4%, 9.6%, 0%, 38.8%)
CIE-LABlab(53.92, -23.03, -16.20)
CIE-LCHlch(53.92, 28.16, 215.13°)
OKLaboklab(59.38% -0.0795 -0.0451)
OKLCHoklch(59.38% 0.091 209.6)
XYZxyz(16.3981, 21.8992, 34.8088)
Luminance0.2190 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#288D9C #9C3728
analogous
#289C71 #288D9C #28539C
triadic
#288D9C #9C288D #8D9C28
tetradic
#288D9C #71289C #9C3728 #539C28
square
#288D9C #71289C #9C3728 #539C28
split-complementary
#288D9C #9C2853 #9C7128
monochromatic
#0F353B #1C616B #288D9C #36B8CB #67C9D8

Accessibility & contrast

On white

3.90
#288D9C on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.38
#288D9C on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #288D9C
5.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##288D9C#FFFFFF#000000##000000
##288D9C1.003.905.385.38
#FFFFFF3.901.0021.0021.00
#0000005.3821.001.001.00
##0000005.3821.001.001.00

Color blindness preview

Protanopia (red-blind)
#80889D
Deuteranopia (green-blind)
#707C9C
Tritanopia (blue-blind)
#009491
Achromatopsia (no color)
#818181

Design tokens & code

CSS
--color: #288d9c;
/* rgb */ color: rgb(40, 141, 156);
/* oklch */ color: oklch(59.4% 0.091 209.6);
Tailwind
colors: {
  custom: {
    50: '#74aeb9',
    500: '#288d9c',
    950: '#000000',
  },
}
SCSS
$custom: #288d9c;
$custom-light: #74aeb9;
$custom-dark: #000000;
JSON
{
  "hex": "#288d9c",
  "rgb": {
    "r": 40,
    "g": 141,
    "b": 156
  },
  "hsl": {
    "h": 187.759,
    "s": 59.184,
    "l": 38.431
  },
  "oklch": {
    "l": 0.59379,
    "c": 0.09138,
    "h": 209.6
  },
  "luminance": 0.21901
}

Semantic roles & 50–950 ramp

primary
#288D9C
secondary
#BE6E62
accent
#5A45E2
background
#F7FAFB
surface
#EEF4F6
border
#C9CED0
text
#091011
muted
#7B7F80

Preview Lab

Preview with #288D9C

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

Preview Lab → · Contrast checker → · Palette generator →

#288D9C Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva