#31A0B9#31A0B9

#31A0B9 is a light, moderate cyan. Relative luminance 0.293; OKLCH L 65.5% C 0.103 H 216.3°. Best body text is #000000 at 6.86:1 contrast (WCAG AA passes).

Color values

HEX#31A0B9
RGBrgb(49, 160, 185)
HSLhsl(191, 58%, 46%)
HSVhsv(191, 74%, 73%)
CMYKcmyk(73.5%, 13.5%, 0%, 27.5%)
CIE-LABlab(61.04, -22.35, -21.83)
CIE-LCHlch(61.04, 31.25, 224.33°)
OKLaboklab(65.52% -0.0828 -0.0609)
OKLCHoklch(65.52% 0.103 216.3)
XYZxyz(22.5907, 29.2947, 50.3534)
Luminance0.2930 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#31A0B9 #B94A31
analogous
#31B98E #31A0B9 #315CB9
triadic
#31A0B9 #B931A0 #A0B931
tetradic
#31A0B9 #8E31B9 #B94A31 #5CB931
square
#31A0B9 #8E31B9 #B94A31 #5CB931
split-complementary
#31A0B9 #B9315C #B98E31
monochromatic
#174C58 #247689 #31A0B9 #55BBD2 #86CEDF

Accessibility & contrast

On white

3.06
#31A0B9 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.86
#31A0B9 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #31A0B9
6.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##31A0B9#FFFFFF#000000##000000
##31A0B91.003.066.866.86
#FFFFFF3.061.0021.0021.00
#0000006.8621.001.001.00
##0000006.8621.001.001.00

Color blindness preview

Protanopia (red-blind)
#8F9BBA
Deuteranopia (green-blind)
#7C8DB9
Tritanopia (blue-blind)
#00A9A8
Achromatopsia (no color)
#939393

Design tokens & code

CSS
--color: #31a0b9;
/* rgb */ color: rgb(49, 160, 185);
/* oklch */ color: oklch(65.5% 0.103 216.3);
Tailwind
colors: {
  custom: {
    50: '#7dbcce',
    500: '#31a0b9',
    950: '#000000',
  },
}
SCSS
$custom: #31a0b9;
$custom-light: #7dbcce;
$custom-dark: #000000;
JSON
{
  "hex": "#31a0b9",
  "rgb": {
    "r": 49,
    "g": 160,
    "b": 185
  },
  "hsl": {
    "h": 191.029,
    "s": 58.12,
    "l": 45.882
  },
  "oklch": {
    "l": 0.65523,
    "c": 0.10281,
    "h": 216.3
  },
  "luminance": 0.29297
}

Semantic roles & 50–950 ramp

primary
#31A0B9
secondary
#C88B7D
accent
#6346E1
background
#F8FBFC
surface
#EFF6F9
border
#CAD0D2
text
#0B1213
muted
#7C8182

Preview Lab

Preview with #31A0B9

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

Preview Lab → · Contrast checker → · Palette generator →

#31A0B9 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva