#31A4BD#31A4BD

#31A4BD is a light, moderate cyan. Relative luminance 0.309; OKLCH L 66.7% C 0.105 H 215.8°. Best body text is #000000 at 7.18:1 contrast (WCAG AA passes).

Color values

HEX#31A4BD
RGBrgb(49, 164, 189)
HSLhsl(191, 59%, 47%)
HSVhsv(191, 74%, 74%)
CMYKcmyk(74.1%, 13.2%, 0%, 25.9%)
CIE-LABlab(62.40, -23.13, -22.00)
CIE-LCHlch(62.40, 31.92, 223.56°)
OKLaboklab(66.67% -0.0852 -0.0614)
OKLCHoklch(66.67% 0.105 215.8)
XYZxyz(23.7235, 30.8752, 52.8434)
Luminance0.3088 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#31A4BD #BD4A31
analogous
#31BD90 #31A4BD #315EBD
triadic
#31A4BD #BD31A4 #A4BD31
tetradic
#31A4BD #9031BD #BD4A31 #5EBD31
square
#31A4BD #9031BD #BD4A31 #5EBD31
split-complementary
#31A4BD #BD315E #BD9031
monochromatic
#18505C #247A8C #31A4BD #58BDD4 #88D0E0

Accessibility & contrast

On white

2.93
#31A4BD on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.18
#31A4BD on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #31A4BD
7.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##31A4BD#FFFFFF#000000##000000
##31A4BD1.002.937.187.18
#FFFFFF2.931.0021.0021.00
#0000007.1821.001.001.00
##0000007.1821.001.001.00

Color blindness preview

Protanopia (red-blind)
#939FBE
Deuteranopia (green-blind)
#8091BD
Tritanopia (blue-blind)
#00ADAC
Achromatopsia (no color)
#979797

Design tokens & code

CSS
--color: #31a4bd;
/* rgb */ color: rgb(49, 164, 189);
/* oklch */ color: oklch(66.7% 0.105 215.8);
Tailwind
colors: {
  custom: {
    50: '#7ebfd1',
    500: '#31a4bd',
    950: '#000000',
  },
}
SCSS
$custom: #31a4bd;
$custom-light: #7ebfd1;
$custom-dark: #000000;
JSON
{
  "hex": "#31a4bd",
  "rgb": {
    "r": 49,
    "g": 164,
    "b": 189
  },
  "hsl": {
    "h": 190.714,
    "s": 58.824,
    "l": 46.667
  },
  "oklch": {
    "l": 0.66668,
    "c": 0.105,
    "h": 215.8
  },
  "luminance": 0.30878
}

Semantic roles & 50–950 ramp

primary
#31A4BD
secondary
#CA8D80
accent
#6246E2
background
#F8FBFC
surface
#EFF7F9
border
#CAD0D2
text
#0B1214
muted
#7C8182

Preview Lab

Preview with #31A4BD

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

Preview Lab → · Contrast checker → · Palette generator →

#31A4BD Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva