#288F8A#288F8A

#288F8A is a mid, moderate teal. Relative luminance 0.219; OKLCH L 59.2% C 0.091 H 190.2°. Best body text is #000000 at 5.39:1 contrast (WCAG AA passes).

Color values

HEX#288F8A
RGBrgb(40, 143, 138)
HSLhsl(177, 56%, 36%)
HSVhsv(177, 72%, 56%)
CMYKcmyk(72%, 0%, 3.5%, 43.9%)
CIE-LABlab(53.95, -29.63, -5.76)
CIE-LCHlch(53.95, 30.18, 191.01°)
OKLaboklab(59.21% -0.0897 -0.0161)
OKLCHoklch(59.21% 0.091 190.2)
XYZxyz(15.2829, 21.9292, 27.4671)
Luminance0.2193 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#288F8A #8F282D
analogous
#288F56 #288F8A #28608F
triadic
#288F8A #8A288F #8F8A28
tetradic
#288F8A #56288F #8F282D #608F28
square
#288F8A #56288F #8F282D #608F28
split-complementary
#288F8A #8F2860 #8F5628
monochromatic
#0D2F2E #1B5F5C #288F8A #35BFB8 #5FD2CD

Accessibility & contrast

On white

3.90
#288F8A on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.39
#288F8A on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #288F8A
5.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##288F8A#FFFFFF#000000##000000
##288F8A1.003.905.395.39
#FFFFFF3.901.0021.0021.00
#0000005.3921.001.001.00
##0000005.3921.001.001.00

Color blindness preview

Protanopia (red-blind)
#86878A
Deuteranopia (green-blind)
#787C8B
Tritanopia (blue-blind)
#00938D
Achromatopsia (no color)
#818181

Design tokens & code

CSS
--color: #288f8a;
/* rgb */ color: rgb(40, 143, 138);
/* oklch */ color: oklch(59.2% 0.091 190.2);
Tailwind
colors: {
  custom: {
    50: '#73b0ac',
    500: '#288f8a',
    950: '#000000',
  },
}
SCSS
$custom: #288f8a;
$custom-light: #73b0ac;
$custom-dark: #000000;
JSON
{
  "hex": "#288f8a",
  "rgb": {
    "r": 40,
    "g": 143,
    "b": 138
  },
  "hsl": {
    "h": 177.087,
    "s": 56.284,
    "l": 35.882
  },
  "oklch": {
    "l": 0.59205,
    "c": 0.09112,
    "h": 190.2
  },
  "luminance": 0.21931
}

Semantic roles & 50–950 ramp

primary
#288F8A
secondary
#B85B60
accent
#4850E0
background
#F7FAFA
surface
#EDF5F4
border
#C8CFCE
text
#091010
muted
#7B7F7F

Preview Lab

Preview with #288F8A

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

Preview Lab → · Contrast checker → · Palette generator →

#288F8A Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva