#31B9BB#31B9BB

#31B9BB is a light, moderate teal. Relative luminance 0.389; OKLCH L 71.7% C 0.111 H 196.5°. Best body text is #000000 at 8.79:1 contrast (WCAG AA passes).

Color values

HEX#31B9BB
RGBrgb(49, 185, 187)
HSLhsl(181, 58%, 46%)
HSVhsv(181, 74%, 73%)
CMYKcmyk(73.8%, 1.1%, 0%, 26.7%)
CIE-LABlab(68.70, -34.08, -11.35)
CIE-LCHlch(68.70, 35.92, 198.42°)
OKLaboklab(71.74% -0.1068 -0.0315)
OKLCHoklch(71.74% 0.111 196.5)
XYZxyz(27.5811, 38.9354, 53.0657)
Luminance0.3894 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#31B9BB #BB3331
analogous
#31BB78 #31B9BB #3174BB
triadic
#31B9BB #BB31B9 #B9BB31
tetradic
#31B9BB #7831BB #BB3331 #74BB31
square
#31B9BB #7831BB #BB3331 #74BB31
split-complementary
#31B9BB #BB3174 #BB7831
monochromatic
#18595A #24898B #31B9BB #56D1D3 #87DEE0

Accessibility & contrast

On white

2.39
#31B9BB on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.79
#31B9BB on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #31B9BB
8.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##31B9BB#FFFFFF#000000##000000
##31B9BB1.002.398.798.79
#FFFFFF2.391.0021.0021.00
#0000008.7921.001.001.00
##0000008.7921.001.001.00

Color blindness preview

Protanopia (red-blind)
#ACB0BB
Deuteranopia (green-blind)
#98A1BC
Tritanopia (blue-blind)
#00BFB9
Achromatopsia (no color)
#A8A8A8

Design tokens & code

CSS
--color: #31b9bb;
/* rgb */ color: rgb(49, 185, 187);
/* oklch */ color: oklch(71.7% 0.111 196.5);
Tailwind
colors: {
  custom: {
    50: '#80cecf',
    500: '#31b9bb',
    950: '#000000',
  },
}
SCSS
$custom: #31b9bb;
$custom-light: #80cecf;
$custom-dark: #000000;
JSON
{
  "hex": "#31b9bb",
  "rgb": {
    "r": 49,
    "g": 185,
    "b": 187
  },
  "hsl": {
    "h": 180.87,
    "s": 58.475,
    "l": 46.275
  },
  "oklch": {
    "l": 0.7174,
    "c": 0.11137,
    "h": 196.5
  },
  "luminance": 0.38939
}

Semantic roles & 50–950 ramp

primary
#31B9BB
secondary
#C9807F
accent
#4846E2
background
#F8FCFC
surface
#F0F9F9
border
#CBD2D2
text
#0C1413
muted
#7D8282

Preview Lab

Preview with #31B9BB

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

Preview Lab → · Contrast checker → · Palette generator →

#31B9BB Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva