#31ABC9#31ABC9

#31ABC9 is a light, moderate cyan. Relative luminance 0.340; OKLCH L 68.9% C 0.111 H 218.4°. Best body text is #000000 at 7.80:1 contrast (WCAG AA passes).

Color values

HEX#31ABC9
RGBrgb(49, 171, 201)
HSLhsl(192, 61%, 49%)
HSVhsv(192, 76%, 79%)
CMYKcmyk(75.6%, 14.9%, 0%, 21.2%)
CIE-LABlab(64.96, -22.85, -24.77)
CIE-LCHlch(64.96, 33.70, 227.30°)
OKLaboklab(68.87% -0.0873 -0.0692)
OKLCHoklch(68.87% 0.111 218.4)
XYZxyz(26.3677, 33.9927, 60.4186)
Luminance0.3400 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#31ABC9 #C94F31
analogous
#31C99B #31ABC9 #315FC9
triadic
#31ABC9 #C931AB #ABC931
tetradic
#31ABC9 #9B31C9 #C94F31 #5FC931
square
#31ABC9 #9B31C9 #C94F31 #5FC931
split-complementary
#31ABC9 #C9315F #C99B31
monochromatic
#195767 #258198 #31ABC9 #5FC0D8 #90D4E4

Accessibility & contrast

On white

2.69
#31ABC9 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.80
#31ABC9 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #31ABC9
7.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##31ABC9#FFFFFF#000000##000000
##31ABC91.002.697.807.80
#FFFFFF2.691.0021.0021.00
#0000007.8021.001.001.00
##0000007.8021.001.001.00

Color blindness preview

Protanopia (red-blind)
#98A6CB
Deuteranopia (green-blind)
#8397C9
Tritanopia (blue-blind)
#00B5B4
Achromatopsia (no color)
#9E9E9E

Design tokens & code

CSS
--color: #31abc9;
/* rgb */ color: rgb(49, 171, 201);
/* oklch */ color: oklch(68.9% 0.111 218.4);
Tailwind
colors: {
  custom: {
    50: '#80c4d9',
    500: '#31abc9',
    950: '#000000',
  },
}
SCSS
$custom: #31abc9;
$custom-light: #80c4d9;
$custom-dark: #000000;
JSON
{
  "hex": "#31abc9",
  "rgb": {
    "r": 49,
    "g": 171,
    "b": 201
  },
  "hsl": {
    "h": 191.842,
    "s": 60.8,
    "l": 49.02
  },
  "oklch": {
    "l": 0.6887,
    "c": 0.1114,
    "h": 218.4
  },
  "luminance": 0.33996
}

Semantic roles & 50–950 ramp

primary
#31ABC9
secondary
#CF9587
accent
#6344E4
background
#F8FCFD
surface
#F0F8FA
border
#CBD1D3
text
#0C1214
muted
#7D8183

Preview Lab

Preview with #31ABC9

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

Preview Lab → · Contrast checker → · Palette generator →

#31ABC9 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva