#31B5B4#31B5B4

#31B5B4 is a light, moderate teal. Relative luminance 0.370; OKLCH L 70.5% C 0.109 H 194.2°. Best body text is #000000 at 8.40:1 contrast (WCAG AA passes).

Color values

HEX#31B5B4
RGBrgb(49, 181, 180)
HSLhsl(180, 57%, 45%)
HSVhsv(180, 73%, 71%)
CMYKcmyk(72.9%, 0%, 0.6%, 29%)
CIE-LABlab(67.27, -34.25, -9.63)
CIE-LCHlch(67.27, 35.58, 195.70°)
OKLaboklab(70.51% -0.1059 -0.0268)
OKLCHoklch(70.51% 0.109 194.2)
XYZxyz(26.0249, 36.9929, 48.9399)
Luminance0.3700 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#31B5B4 #B53132
analogous
#31B572 #31B5B4 #3174B5
triadic
#31B5B4 #B431B5 #B5B431
tetradic
#31B5B4 #7231B5 #B53132 #74B531
square
#31B5B4 #7231B5 #B53132 #74B531
split-complementary
#31B5B4 #B53174 #B57231
monochromatic
#175554 #248584 #31B5B4 #53D0CF #83DDDD

Accessibility & contrast

On white

2.50
#31B5B4 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.40
#31B5B4 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #31B5B4
8.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##31B5B4#FFFFFF#000000##000000
##31B5B41.002.508.408.40
#FFFFFF2.501.0021.0021.00
#0000008.4021.001.001.00
##0000008.4021.001.001.00

Color blindness preview

Protanopia (red-blind)
#A9ACB4
Deuteranopia (green-blind)
#969EB5
Tritanopia (blue-blind)
#00BBB4
Achromatopsia (no color)
#A4A4A4

Design tokens & code

CSS
--color: #31b5b4;
/* rgb */ color: rgb(49, 181, 180);
/* oklch */ color: oklch(70.5% 0.109 194.2);
Tailwind
colors: {
  custom: {
    50: '#7fcbca',
    500: '#31b5b4',
    950: '#000000',
  },
}
SCSS
$custom: #31b5b4;
$custom-light: #7fcbca;
$custom-dark: #000000;
JSON
{
  "hex": "#31b5b4",
  "rgb": {
    "r": 49,
    "g": 181,
    "b": 180
  },
  "hsl": {
    "h": 179.545,
    "s": 57.391,
    "l": 45.098
  },
  "oklch": {
    "l": 0.70505,
    "c": 0.10926,
    "h": 194.2
  },
  "luminance": 0.36996
}

Semantic roles & 50–950 ramp

primary
#31B5B4
secondary
#C77B7C
accent
#4748E1
background
#F8FCFC
surface
#F0F8F8
border
#CBD1D1
text
#0C1313
muted
#7D8282

Preview Lab

Preview with #31B5B4

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

Preview Lab → · Contrast checker → · Palette generator →

#31B5B4 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva