#31B4BC#31B4BC

#31B4BC is a light, moderate teal. Relative luminance 0.369; OKLCH L 70.5% C 0.109 H 201.2°. Best body text is #000000 at 8.39:1 contrast (WCAG AA passes).

Color values

HEX#31B4BC
RGBrgb(49, 180, 188)
HSLhsl(183, 59%, 46%)
HSVhsv(183, 74%, 74%)
CMYKcmyk(73.9%, 4.3%, 0%, 26.3%)
CIE-LABlab(67.22, -31.40, -14.13)
CIE-LCHlch(67.22, 34.43, 204.23°)
OKLaboklab(70.55% -0.1014 -0.0392)
OKLCHoklch(70.55% 0.109 201.2)
XYZxyz(26.6609, 36.9231, 53.2889)
Luminance0.3693 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#31B4BC #BC3931
analogous
#31BC7F #31B4BC #316FBC
triadic
#31B4BC #BC31B4 #B4BC31
tetradic
#31B4BC #7F31BC #BC3931 #6FBC31
square
#31B4BC #7F31BC #BC3931 #6FBC31
split-complementary
#31B4BC #BC316F #BC7F31
monochromatic
#18575B #24868B #31B4BC #57CCD3 #88DBE0

Accessibility & contrast

On white

2.50
#31B4BC on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.39
#31B4BC on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #31B4BC
8.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##31B4BC#FFFFFF#000000##000000
##31B4BC1.002.508.398.39
#FFFFFF2.501.0021.0021.00
#0000008.3921.001.001.00
##0000008.3921.001.001.00

Color blindness preview

Protanopia (red-blind)
#A6ACBD
Deuteranopia (green-blind)
#929DBD
Tritanopia (blue-blind)
#00BBB6
Achromatopsia (no color)
#A4A4A4

Design tokens & code

CSS
--color: #31b4bc;
/* rgb */ color: rgb(49, 180, 188);
/* oklch */ color: oklch(70.5% 0.109 201.2);
Tailwind
colors: {
  custom: {
    50: '#7fcbd0',
    500: '#31b4bc',
    950: '#000000',
  },
}
SCSS
$custom: #31b4bc;
$custom-light: #7fcbd0;
$custom-dark: #000000;
JSON
{
  "hex": "#31b4bc",
  "rgb": {
    "r": 49,
    "g": 180,
    "b": 188
  },
  "hsl": {
    "h": 183.453,
    "s": 58.65,
    "l": 46.471
  },
  "oklch": {
    "l": 0.70546,
    "c": 0.10877,
    "h": 201.2
  },
  "luminance": 0.36926
}

Semantic roles & 50–950 ramp

primary
#31B4BC
secondary
#CA837F
accent
#4F46E2
background
#F8FCFC
surface
#F0F8F9
border
#CBD1D2
text
#0C1314
muted
#7D8282

Preview Lab

Preview with #31B4BC

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

Preview Lab → · Contrast checker → · Palette generator →

#31B4BC Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva