#31B4BF#31B4BF

#31B4BF is a light, moderate teal. Relative luminance 0.371; OKLCH L 70.7% C 0.109 H 203.5°. Best body text is #000000 at 8.41:1 contrast (WCAG AA passes).

Color values

HEX#31B4BF
RGBrgb(49, 180, 191)
HSLhsl(185, 59%, 47%)
HSVhsv(185, 74%, 75%)
CMYKcmyk(74.3%, 5.8%, 0%, 25.1%)
CIE-LABlab(67.32, -30.49, -15.64)
CIE-LCHlch(67.32, 34.27, 207.15°)
OKLaboklab(70.66% -0.1002 -0.0435)
OKLCHoklch(70.66% 0.109 203.5)
XYZxyz(26.9877, 37.0538, 55.0099)
Luminance0.3706 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#31B4BF #BF3C31
analogous
#31BF83 #31B4BF #316DBF
triadic
#31B4BF #BF31B4 #B4BF31
tetradic
#31B4BF #8331BF #BF3C31 #6DBF31
square
#31B4BF #8331BF #BF3C31 #6DBF31
split-complementary
#31B4BF #BF316D #BF8331
monochromatic
#18585E #25868E #31B4BF #59CBD4 #8ADAE1

Accessibility & contrast

On white

2.50
#31B4BF on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.41
#31B4BF on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #31B4BF
8.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##31B4BF#FFFFFF#000000##000000
##31B4BF1.002.508.418.41
#FFFFFF2.501.0021.0021.00
#0000008.4121.001.001.00
##0000008.4121.001.001.00

Color blindness preview

Protanopia (red-blind)
#A5ACC0
Deuteranopia (green-blind)
#929EBF
Tritanopia (blue-blind)
#00BBB7
Achromatopsia (no color)
#A4A4A4

Design tokens & code

CSS
--color: #31b4bf;
/* rgb */ color: rgb(49, 180, 191);
/* oklch */ color: oklch(70.7% 0.109 203.5);
Tailwind
colors: {
  custom: {
    50: '#80cbd2',
    500: '#31b4bf',
    950: '#000000',
  },
}
SCSS
$custom: #31b4bf;
$custom-light: #80cbd2;
$custom-dark: #000000;
JSON
{
  "hex": "#31b4bf",
  "rgb": {
    "r": 49,
    "g": 180,
    "b": 191
  },
  "hsl": {
    "h": 184.648,
    "s": 59.167,
    "l": 47.059
  },
  "oklch": {
    "l": 0.70658,
    "c": 0.10918,
    "h": 203.5
  },
  "luminance": 0.37057
}

Semantic roles & 50–950 ramp

primary
#31B4BF
secondary
#CB8781
accent
#5245E2
background
#F8FCFC
surface
#F0F8F9
border
#CBD1D2
text
#0C1314
muted
#7D8282

Preview Lab

Preview with #31B4BF

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

Preview Lab → · Contrast checker → · Palette generator →

#31B4BF Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva