#31B0CC#31B0CC

#31B0CC is a light, moderate cyan. Relative luminance 0.361; OKLCH L 70.2% C 0.113 H 216.3°. Best body text is #000000 at 8.21:1 contrast (WCAG AA passes).

Color values

HEX#31B0CC
RGBrgb(49, 176, 204)
HSLhsl(191, 61%, 50%)
HSVhsv(191, 76%, 80%)
CMYKcmyk(76%, 13.7%, 0%, 20%)
CIE-LABlab(66.57, -24.44, -23.96)
CIE-LCHlch(66.57, 34.23, 224.43°)
OKLaboklab(70.2% -0.0909 -0.0669)
OKLCHoklch(70.2% 0.113 216.3)
XYZxyz(27.6864, 36.0599, 62.6161)
Luminance0.3606 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#31B0CC #CC4D31
analogous
#31CC9B #31B0CC #3162CC
triadic
#31B0CC #CC31B0 #B0CC31
tetradic
#31B0CC #9B31CC #CC4D31 #62CC31
square
#31B0CC #9B31CC #CC4D31 #62CC31
split-complementary
#31B0CC #CC3162 #CC9B31
monochromatic
#195B69 #25859B #31B0CC #61C3D9 #92D6E5

Accessibility & contrast

On white

2.56
#31B0CC on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.21
#31B0CC on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #31B0CC
8.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##31B0CC#FFFFFF#000000##000000
##31B0CC1.002.568.218.21
#FFFFFF2.561.0021.0021.00
#0000008.2121.001.001.00
##0000008.2121.001.001.00

Color blindness preview

Protanopia (red-blind)
#9DABCE
Deuteranopia (green-blind)
#889BCC
Tritanopia (blue-blind)
#00BAB9
Achromatopsia (no color)
#A2A2A2

Design tokens & code

CSS
--color: #31b0cc;
/* rgb */ color: rgb(49, 176, 204);
/* oklch */ color: oklch(70.2% 0.113 216.3);
Tailwind
colors: {
  custom: {
    50: '#81c8db',
    500: '#31b0cc',
    950: '#000000',
  },
}
SCSS
$custom: #31b0cc;
$custom-light: #81c8db;
$custom-dark: #000000;
JSON
{
  "hex": "#31b0cc",
  "rgb": {
    "r": 49,
    "g": 176,
    "b": 204
  },
  "hsl": {
    "h": 190.839,
    "s": 61.265,
    "l": 49.608
  },
  "oklch": {
    "l": 0.70201,
    "c": 0.11289,
    "h": 216.3
  },
  "luminance": 0.36063
}

Semantic roles & 50–950 ramp

primary
#31B0CC
secondary
#D09689
accent
#6143E4
background
#F8FCFD
surface
#F0F8FB
border
#CBD1D4
text
#0C1315
muted
#7D8283

Preview Lab

Preview with #31B0CC

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

Preview Lab → · Contrast checker → · Palette generator →

#31B0CC Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva