#31B9BD#31B9BD

#31B9BD is a light, moderate teal. Relative luminance 0.390; OKLCH L 71.8% C 0.111 H 198.0°. Best body text is #000000 at 8.81:1 contrast (WCAG AA passes).

Color values

HEX#31B9BD
RGBrgb(49, 185, 189)
HSLhsl(182, 59%, 47%)
HSVhsv(182, 74%, 74%)
CMYKcmyk(74.1%, 2.1%, 0%, 25.9%)
CIE-LABlab(68.77, -33.49, -12.36)
CIE-LCHlch(68.77, 35.70, 200.25°)
OKLaboklab(71.81% -0.1059 -0.0343)
OKLCHoklch(71.81% 0.111 198)
XYZxyz(27.7967, 39.0216, 54.2012)
Luminance0.3902 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#31B9BD #BD3531
analogous
#31BD7B #31B9BD #3173BD
triadic
#31B9BD #BD31B9 #B9BD31
tetradic
#31B9BD #7B31BD #BD3531 #73BD31
square
#31B9BD #7B31BD #BD3531 #73BD31
split-complementary
#31B9BD #BD3173 #BD7B31
monochromatic
#185A5C #24898C #31B9BD #58D0D4 #88DEE0

Accessibility & contrast

On white

2.39
#31B9BD on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.81
#31B9BD on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #31B9BD
8.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##31B9BD#FFFFFF#000000##000000
##31B9BD1.002.398.818.81
#FFFFFF2.391.0021.0021.00
#0000008.8121.001.001.00
##0000008.8121.001.001.00

Color blindness preview

Protanopia (red-blind)
#ACB0BD
Deuteranopia (green-blind)
#98A2BE
Tritanopia (blue-blind)
#00C0BA
Achromatopsia (no color)
#A8A8A8

Design tokens & code

CSS
--color: #31b9bd;
/* rgb */ color: rgb(49, 185, 189);
/* oklch */ color: oklch(71.8% 0.111 198.0);
Tailwind
colors: {
  custom: {
    50: '#80ced0',
    500: '#31b9bd',
    950: '#000000',
  },
}
SCSS
$custom: #31b9bd;
$custom-light: #80ced0;
$custom-dark: #000000;
JSON
{
  "hex": "#31b9bd",
  "rgb": {
    "r": 49,
    "g": 185,
    "b": 189
  },
  "hsl": {
    "h": 181.714,
    "s": 58.824,
    "l": 46.667
  },
  "oklch": {
    "l": 0.71811,
    "c": 0.11135,
    "h": 198
  },
  "luminance": 0.39025
}

Semantic roles & 50–950 ramp

primary
#31B9BD
secondary
#CA8280
accent
#4A46E2
background
#F8FCFC
surface
#F0F9F9
border
#CBD2D2
text
#0C1414
muted
#7D8282

Preview Lab

Preview with #31B9BD

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

Preview Lab → · Contrast checker → · Palette generator →

#31B9BD Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva