#31B1BB#31B1BB

#31B1BB is a light, moderate teal. Relative luminance 0.357; OKLCH L 69.8% C 0.107 H 202.8°. Best body text is #000000 at 8.14:1 contrast (WCAG AA passes).

Color values

HEX#31B1BB
RGBrgb(49, 177, 187)
HSLhsl(184, 58%, 46%)
HSVhsv(184, 74%, 73%)
CMYKcmyk(73.8%, 5.3%, 0%, 26.7%)
CIE-LABlab(66.28, -30.25, -15.00)
CIE-LCHlch(66.28, 33.77, 206.37°)
OKLaboklab(69.77% -0.0989 -0.0417)
OKLCHoklch(69.77% 0.107 202.8)
XYZxyz(25.9544, 35.6820, 52.5235)
Luminance0.3569 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#31B1BB #BB3B31
analogous
#31BB80 #31B1BB #316CBB
triadic
#31B1BB #BB31B1 #B1BB31
tetradic
#31B1BB #8031BB #BB3B31 #6CBB31
square
#31B1BB #8031BB #BB3B31 #6CBB31
split-complementary
#31B1BB #BB316C #BB8031
monochromatic
#18555A #24838B #31B1BB #56CAD3 #87D9E0

Accessibility & contrast

On white

2.58
#31B1BB on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.14
#31B1BB on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #31B1BB
8.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##31B1BB#FFFFFF#000000##000000
##31B1BB1.002.588.148.14
#FFFFFF2.581.0021.0021.00
#0000008.1421.001.001.00
##0000008.1421.001.001.00

Color blindness preview

Protanopia (red-blind)
#A3A9BC
Deuteranopia (green-blind)
#8F9BBC
Tritanopia (blue-blind)
#00B8B4
Achromatopsia (no color)
#A1A1A1

Design tokens & code

CSS
--color: #31b1bb;
/* rgb */ color: rgb(49, 177, 187);
/* oklch */ color: oklch(69.8% 0.107 202.8);
Tailwind
colors: {
  custom: {
    50: '#7fc8cf',
    500: '#31b1bb',
    950: '#000000',
  },
}
SCSS
$custom: #31b1bb;
$custom-light: #7fc8cf;
$custom-dark: #000000;
JSON
{
  "hex": "#31b1bb",
  "rgb": {
    "r": 49,
    "g": 177,
    "b": 187
  },
  "hsl": {
    "h": 184.348,
    "s": 58.475,
    "l": 46.275
  },
  "oklch": {
    "l": 0.69772,
    "c": 0.10732,
    "h": 202.8
  },
  "luminance": 0.35685
}

Semantic roles & 50–950 ramp

primary
#31B1BB
secondary
#C9847F
accent
#5146E2
background
#F8FCFC
surface
#F0F8F9
border
#CBD1D2
text
#0C1313
muted
#7D8282

Preview Lab

Preview with #31B1BB

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

Preview Lab → · Contrast checker → · Palette generator →

#31B1BB Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva