#288B89#288B89

#288B89 is a mid, moderate teal. Relative luminance 0.207; OKLCH L 58.1% C 0.088 H 193.0°. Best body text is #000000 at 5.14:1 contrast (WCAG AA passes).

Color values

HEX#288B89
RGBrgb(40, 139, 137)
HSLhsl(179, 55%, 35%)
HSVhsv(179, 71%, 55%)
CMYKcmyk(71.2%, 0%, 1.4%, 45.5%)
CIE-LABlab(52.64, -27.97, -7.13)
CIE-LCHlch(52.64, 28.86, 194.31°)
OKLaboklab(58.13% -0.0859 -0.0198)
OKLCHoklch(58.13% 0.088 193)
XYZxyz(14.6210, 20.7208, 26.8910)
Luminance0.2072 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#288B89 #8B282A
analogous
#288B58 #288B89 #285B8B
triadic
#288B89 #89288B #8B8928
tetradic
#288B89 #58288B #8B282A #5B8B28
square
#288B89 #58288B #8B282A #5B8B28
split-complementary
#288B89 #8B285B #8B5828
monochromatic
#0D2C2B #1A5B5A #288B89 #36BBB8 #5DD0CE

Accessibility & contrast

On white

4.08
#288B89 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.14
#288B89 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #288B89
5.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##288B89#FFFFFF#000000##000000
##288B891.004.085.145.14
#FFFFFF4.081.0021.0021.00
#0000005.1421.001.001.00
##0000005.1421.001.001.00

Color blindness preview

Protanopia (red-blind)
#828489
Deuteranopia (green-blind)
#73798A
Tritanopia (blue-blind)
#008F8A
Achromatopsia (no color)
#7E7E7E

Design tokens & code

CSS
--color: #288b89;
/* rgb */ color: rgb(40, 139, 137);
/* oklch */ color: oklch(58.1% 0.088 193.0);
Tailwind
colors: {
  custom: {
    50: '#72adab',
    500: '#288b89',
    950: '#000000',
  },
}
SCSS
$custom: #288b89;
$custom-light: #72adab;
$custom-dark: #000000;
JSON
{
  "hex": "#288b89",
  "rgb": {
    "r": 40,
    "g": 139,
    "b": 137
  },
  "hsl": {
    "h": 178.788,
    "s": 55.307,
    "l": 35.098
  },
  "oklch": {
    "l": 0.58131,
    "c": 0.08816,
    "h": 193
  },
  "luminance": 0.20722
}

Semantic roles & 50–950 ramp

primary
#288B89
secondary
#B6595B
accent
#494CDF
background
#F7FAFA
surface
#EDF4F4
border
#C8CECE
text
#091010
muted
#7B7F7F

Preview Lab

Preview with #288B89

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

Preview Lab → · Contrast checker → · Palette generator →

#288B89 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva