#31B9AB#31B9AB

#31B9AB is a light, moderate teal. Relative luminance 0.383; OKLCH L 71.2% C 0.114 H 184.7°. Best body text is #000000 at 8.66:1 contrast (WCAG AA passes).

Color values

HEX#31B9AB
RGBrgb(49, 185, 171)
HSLhsl(174, 58%, 46%)
HSVhsv(174, 74%, 73%)
CMYKcmyk(73.5%, 0%, 7.6%, 27.5%)
CIE-LABlab(68.23, -38.65, -3.24)
CIE-LCHlch(68.23, 38.79, 184.79°)
OKLaboklab(71.2% -0.114 -0.0094)
OKLCHoklch(71.2% 0.114 184.7)
XYZxyz(25.9627, 38.2881, 44.5422)
Luminance0.3829 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#31B9AB #B9313F
analogous
#31B967 #31B9AB #3183B9
triadic
#31B9AB #AB31B9 #B9AB31
tetradic
#31B9AB #6731B9 #B9313F #83B931
square
#31B9AB #6731B9 #B9313F #83B931
split-complementary
#31B9AB #B93183 #B96731
monochromatic
#175852 #24897E #31B9AB #55D2C5 #86DFD6

Accessibility & contrast

On white

2.43
#31B9AB on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.66
#31B9AB on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #31B9AB
8.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##31B9AB#FFFFFF#000000##000000
##31B9AB1.002.438.668.66
#FFFFFF2.431.0021.0021.00
#0000008.6621.001.001.00
##0000008.6621.001.001.00

Color blindness preview

Protanopia (red-blind)
#B0AEAB
Deuteranopia (green-blind)
#9DA1AC
Tritanopia (blue-blind)
#00BDB5
Achromatopsia (no color)
#A6A6A6

Design tokens & code

CSS
--color: #31b9ab;
/* rgb */ color: rgb(49, 185, 171);
/* oklch */ color: oklch(71.2% 0.114 184.7);
Tailwind
colors: {
  custom: {
    50: '#7fcec3',
    500: '#31b9ab',
    950: '#000000',
  },
}
SCSS
$custom: #31b9ab;
$custom-light: #7fcec3;
$custom-dark: #000000;
JSON
{
  "hex": "#31b9ab",
  "rgb": {
    "r": 49,
    "g": 185,
    "b": 171
  },
  "hsl": {
    "h": 173.824,
    "s": 58.12,
    "l": 45.882
  },
  "oklch": {
    "l": 0.71199,
    "c": 0.11436,
    "h": 184.7
  },
  "luminance": 0.38291
}

Semantic roles & 50–950 ramp

primary
#31B9AB
secondary
#C87D85
accent
#4656E1
background
#F8FCFC
surface
#F0F9F8
border
#CBD2D1
text
#0B1412
muted
#7C8281

Preview Lab

Preview with #31B9AB

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

Preview Lab → · Contrast checker → · Palette generator →

#31B9AB Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva