#31B1BF#31B1BF

#31B1BF is a light, moderate teal. Relative luminance 0.359; OKLCH L 69.9% C 0.108 H 205.9°. Best body text is #000000 at 8.17:1 contrast (WCAG AA passes).

Color values

HEX#31B1BF
RGBrgb(49, 177, 191)
HSLhsl(186, 59%, 47%)
HSVhsv(186, 74%, 75%)
CMYKcmyk(74.3%, 7.3%, 0%, 25.1%)
CIE-LABlab(66.41, -29.03, -17.01)
CIE-LCHlch(66.41, 33.65, 210.37°)
OKLaboklab(69.92% -0.0972 -0.0473)
OKLCHoklch(69.92% 0.108 205.9)
XYZxyz(26.3886, 35.8557, 54.8102)
Luminance0.3586 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#31B1BF #BF3F31
analogous
#31BF86 #31B1BF #316ABF
triadic
#31B1BF #BF31B1 #B1BF31
tetradic
#31B1BF #8631BF #BF3F31 #6ABF31
square
#31B1BF #8631BF #BF3F31 #6ABF31
split-complementary
#31B1BF #BF316A #BF8631
monochromatic
#18575E #25848E #31B1BF #59C8D4 #8AD8E1

Accessibility & contrast

On white

2.57
#31B1BF on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.17
#31B1BF on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #31B1BF
8.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##31B1BF#FFFFFF#000000##000000
##31B1BF1.002.578.178.17
#FFFFFF2.571.0021.0021.00
#0000008.1721.001.001.00
##0000008.1721.001.001.00

Color blindness preview

Protanopia (red-blind)
#A2AAC0
Deuteranopia (green-blind)
#8E9BBF
Tritanopia (blue-blind)
#00B9B5
Achromatopsia (no color)
#A1A1A1

Design tokens & code

CSS
--color: #31b1bf;
/* rgb */ color: rgb(49, 177, 191);
/* oklch */ color: oklch(69.9% 0.108 205.9);
Tailwind
colors: {
  custom: {
    50: '#7fc8d2',
    500: '#31b1bf',
    950: '#000000',
  },
}
SCSS
$custom: #31b1bf;
$custom-light: #7fc8d2;
$custom-dark: #000000;
JSON
{
  "hex": "#31b1bf",
  "rgb": {
    "r": 49,
    "g": 177,
    "b": 191
  },
  "hsl": {
    "h": 185.915,
    "s": 59.167,
    "l": 47.059
  },
  "oklch": {
    "l": 0.69924,
    "c": 0.1081,
    "h": 205.9
  },
  "luminance": 0.35859
}

Semantic roles & 50–950 ramp

primary
#31B1BF
secondary
#CB8881
accent
#5545E2
background
#F8FCFC
surface
#F0F8F9
border
#CBD1D2
text
#0C1314
muted
#7D8282

Preview Lab

Preview with #31B1BF

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

Preview Lab → · Contrast checker → · Palette generator →

#31B1BF Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva