#31B7B9#31B7B9

#31B7B9 is a light, moderate teal. Relative luminance 0.380; OKLCH L 71.2% C 0.110 H 196.5°. Best body text is #000000 at 8.60:1 contrast (WCAG AA passes).

Color values

HEX#31B7B9
RGBrgb(49, 183, 185)
HSLhsl(181, 58%, 46%)
HSVhsv(181, 74%, 73%)
CMYKcmyk(73.5%, 1.1%, 0%, 27.5%)
CIE-LABlab(68.03, -33.73, -11.25)
CIE-LCHlch(68.03, 35.55, 198.45°)
OKLaboklab(71.18% -0.1057 -0.0313)
OKLCHoklch(71.18% 0.11 196.5)
XYZxyz(26.9531, 38.0195, 51.8075)
Luminance0.3802 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#31B7B9 #B93331
analogous
#31B977 #31B7B9 #3173B9
triadic
#31B7B9 #B931B7 #B7B931
tetradic
#31B7B9 #7731B9 #B93331 #73B931
square
#31B7B9 #7731B9 #B93331 #73B931
split-complementary
#31B7B9 #B93173 #B97731
monochromatic
#175758 #248789 #31B7B9 #55D0D2 #86DEDF

Accessibility & contrast

On white

2.44
#31B7B9 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.60
#31B7B9 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #31B7B9
8.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##31B7B9#FFFFFF#000000##000000
##31B7B91.002.448.608.60
#FFFFFF2.441.0021.0021.00
#0000008.6021.001.001.00
##0000008.6021.001.001.00

Color blindness preview

Protanopia (red-blind)
#AAAEB9
Deuteranopia (green-blind)
#97A0BA
Tritanopia (blue-blind)
#00BDB7
Achromatopsia (no color)
#A6A6A6

Design tokens & code

CSS
--color: #31b7b9;
/* rgb */ color: rgb(49, 183, 185);
/* oklch */ color: oklch(71.2% 0.110 196.5);
Tailwind
colors: {
  custom: {
    50: '#7fcdce',
    500: '#31b7b9',
    950: '#000000',
  },
}
SCSS
$custom: #31b7b9;
$custom-light: #7fcdce;
$custom-dark: #000000;
JSON
{
  "hex": "#31b7b9",
  "rgb": {
    "r": 49,
    "g": 183,
    "b": 185
  },
  "hsl": {
    "h": 180.882,
    "s": 58.12,
    "l": 45.882
  },
  "oklch": {
    "l": 0.71176,
    "c": 0.11024,
    "h": 196.5
  },
  "luminance": 0.38023
}

Semantic roles & 50–950 ramp

primary
#31B7B9
secondary
#C87F7D
accent
#4946E1
background
#F8FCFC
surface
#F0F9F9
border
#CBD2D2
text
#0C1313
muted
#7D8282

Preview Lab

Preview with #31B7B9

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

Preview Lab → · Contrast checker → · Palette generator →

#31B7B9 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva