#31B4BD#31B4BD

#31B4BD is a light, moderate teal. Relative luminance 0.370; OKLCH L 70.6% C 0.109 H 201.9°. Best body text is #000000 at 8.39:1 contrast (WCAG AA passes).

Color values

HEX#31B4BD
RGBrgb(49, 180, 189)
HSLhsl(184, 59%, 47%)
HSVhsv(184, 74%, 74%)
CMYKcmyk(74.1%, 4.8%, 0%, 25.9%)
CIE-LABlab(67.25, -31.10, -14.63)
CIE-LCHlch(67.25, 34.37, 205.20°)
OKLaboklab(70.58% -0.101 -0.0406)
OKLCHoklch(70.58% 0.109 201.9)
XYZxyz(26.7691, 36.9664, 53.8586)
Luminance0.3697 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#31B4BD #BD3A31
analogous
#31BD80 #31B4BD #316EBD
triadic
#31B4BD #BD31B4 #B4BD31
tetradic
#31B4BD #8031BD #BD3A31 #6EBD31
square
#31B4BD #8031BD #BD3A31 #6EBD31
split-complementary
#31B4BD #BD316E #BD8031
monochromatic
#18575C #24868C #31B4BD #58CCD4 #88DBE0

Accessibility & contrast

On white

2.50
#31B4BD on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.39
#31B4BD on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #31B4BD
8.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##31B4BD#FFFFFF#000000##000000
##31B4BD1.002.508.398.39
#FFFFFF2.501.0021.0021.00
#0000008.3921.001.001.00
##0000008.3921.001.001.00

Color blindness preview

Protanopia (red-blind)
#A6ACBE
Deuteranopia (green-blind)
#929EBE
Tritanopia (blue-blind)
#00BBB6
Achromatopsia (no color)
#A4A4A4

Design tokens & code

CSS
--color: #31b4bd;
/* rgb */ color: rgb(49, 180, 189);
/* oklch */ color: oklch(70.6% 0.109 201.9);
Tailwind
colors: {
  custom: {
    50: '#80cbd0',
    500: '#31b4bd',
    950: '#000000',
  },
}
SCSS
$custom: #31b4bd;
$custom-light: #80cbd0;
$custom-dark: #000000;
JSON
{
  "hex": "#31b4bd",
  "rgb": {
    "r": 49,
    "g": 180,
    "b": 189
  },
  "hsl": {
    "h": 183.857,
    "s": 58.824,
    "l": 46.667
  },
  "oklch": {
    "l": 0.70583,
    "c": 0.10888,
    "h": 201.9
  },
  "luminance": 0.3697
}

Semantic roles & 50–950 ramp

primary
#31B4BD
secondary
#CA8580
accent
#5046E2
background
#F8FCFC
surface
#F0F8F9
border
#CBD1D2
text
#0C1314
muted
#7D8282

Preview Lab

Preview with #31B4BD

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

Preview Lab → · Contrast checker → · Palette generator →

#31B4BD Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva