#31B5D0#31B5D0

#31B5D0 is a light, moderate cyan. Relative luminance 0.383; OKLCH L 71.6% C 0.115 H 215.0°. Best body text is #000000 at 8.65:1 contrast (WCAG AA passes).

Color values

HEX#31B5D0
RGBrgb(49, 181, 208)
HSLhsl(190, 63%, 50%)
HSVhsv(190, 76%, 82%)
CMYKcmyk(76.4%, 13%, 0%, 18.4%)
CIE-LABlab(68.21, -25.69, -23.66)
CIE-LCHlch(68.21, 34.92, 222.65°)
OKLaboklab(71.57% -0.0941 -0.066)
OKLCHoklch(71.57% 0.115 215)
XYZxyz(29.1708, 38.2512, 65.5081)
Luminance0.3826 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#31B5D0 #D04C31
analogous
#31D09C #31B5D0 #3165D0
triadic
#31B5D0 #D031B5 #B5D031
tetradic
#31B5D0 #9C31D0 #D04C31 #65D031
square
#31B5D0 #9C31D0 #D04C31 #65D031
split-complementary
#31B5D0 #D03165 #D09C31
monochromatic
#195F6E #248B9F #31B5D0 #63C7DB #95D9E7

Accessibility & contrast

On white

2.43
#31B5D0 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.65
#31B5D0 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #31B5D0
8.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##31B5D0#FFFFFF#000000##000000
##31B5D01.002.438.658.65
#FFFFFF2.431.0021.0021.00
#0000008.6521.001.001.00
##0000008.6521.001.001.00

Color blindness preview

Protanopia (red-blind)
#A2AFD2
Deuteranopia (green-blind)
#8DA0D0
Tritanopia (blue-blind)
#00BFBD
Achromatopsia (no color)
#A6A6A6

Design tokens & code

CSS
--color: #31b5d0;
/* rgb */ color: rgb(49, 181, 208);
/* oklch */ color: oklch(71.6% 0.115 215.0);
Tailwind
colors: {
  custom: {
    50: '#82cbde',
    500: '#31b5d0',
    950: '#000000',
  },
}
SCSS
$custom: #31b5d0;
$custom-light: #82cbde;
$custom-dark: #000000;
JSON
{
  "hex": "#31b5d0",
  "rgb": {
    "r": 49,
    "g": 181,
    "b": 208
  },
  "hsl": {
    "h": 190.189,
    "s": 62.846,
    "l": 50.392
  },
  "oklch": {
    "l": 0.7157,
    "c": 0.11499,
    "h": 215
  },
  "luminance": 0.38255
}

Semantic roles & 50–950 ramp

primary
#31B5D0
secondary
#D2978B
accent
#5E42E6
background
#F8FCFD
surface
#F0F8FB
border
#CBD1D4
text
#0C1315
muted
#7D8283

Preview Lab

Preview with #31B5D0

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

Preview Lab → · Contrast checker → · Palette generator →

#31B5D0 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva