#31A9CF#31A9CF

#31A9CF is a light, moderate cyan. Relative luminance 0.335; OKLCH L 68.7% C 0.116 H 224.0°. Best body text is #000000 at 7.71:1 contrast (WCAG AA passes).

Color values

HEX#31A9CF
RGBrgb(49, 169, 207)
HSLhsl(194, 62%, 50%)
HSVhsv(194, 76%, 81%)
CMYKcmyk(76.3%, 18.4%, 0%, 18.8%)
CIE-LABlab(64.59, -19.85, -28.66)
CIE-LCHlch(64.59, 34.86, 235.29°)
OKLaboklab(68.65% -0.0831 -0.0803)
OKLCHoklch(68.65% 0.116 224)
XYZxyz(26.7124, 33.5307, 64.0836)
Luminance0.3353 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#31A9CF #CF5731
analogous
#31CFA6 #31A9CF #315ACF
triadic
#31A9CF #CF31A9 #A9CF31
tetradic
#31A9CF #A631CF #CF5731 #5ACF31
square
#31A9CF #A631CF #CF5731 #5ACF31
split-complementary
#31A9CF #CF315A #CFA631
monochromatic
#19586C #25819E #31A9CF #63BEDB #94D2E6

Accessibility & contrast

On white

2.72
#31A9CF on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.71
#31A9CF on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #31A9CF
7.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##31A9CF#FFFFFF#000000##000000
##31A9CF1.002.727.717.71
#FFFFFF2.721.0021.0021.00
#0000007.7121.001.001.00
##0000007.7121.001.001.00

Color blindness preview

Protanopia (red-blind)
#94A5D1
Deuteranopia (green-blind)
#7F96CF
Tritanopia (blue-blind)
#00B4B5
Achromatopsia (no color)
#9D9D9D

Design tokens & code

CSS
--color: #31a9cf;
/* rgb */ color: rgb(49, 169, 207);
/* oklch */ color: oklch(68.7% 0.116 224.0);
Tailwind
colors: {
  custom: {
    50: '#81c2dd',
    500: '#31a9cf',
    950: '#000000',
  },
}
SCSS
$custom: #31a9cf;
$custom-light: #81c2dd;
$custom-dark: #000000;
JSON
{
  "hex": "#31a9cf",
  "rgb": {
    "r": 49,
    "g": 169,
    "b": 207
  },
  "hsl": {
    "h": 194.43,
    "s": 62.205,
    "l": 50.196
  },
  "oklch": {
    "l": 0.6865,
    "c": 0.11556,
    "h": 224
  },
  "luminance": 0.33534
}

Semantic roles & 50–950 ramp

primary
#31A9CF
secondary
#D19C8B
accent
#6A43E5
background
#F8FBFD
surface
#F0F7FB
border
#CBD0D4
text
#0C1215
muted
#7D8183

Preview Lab

Preview with #31A9CF

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

Preview Lab → · Contrast checker → · Palette generator →

#31A9CF Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva