#37B4BB#37B4BB

#37B4BB is a light, moderate teal. Relative luminance 0.370; OKLCH L 70.6% C 0.106 H 200.5°. Best body text is #000000 at 8.41:1 contrast (WCAG AA passes).

Color values

HEX#37B4BB
RGBrgb(55, 180, 187)
HSLhsl(183, 55%, 47%)
HSVhsv(183, 71%, 73%)
CMYKcmyk(70.6%, 3.7%, 0%, 26.7%)
CIE-LABlab(67.31, -30.96, -13.43)
CIE-LCHlch(67.31, 33.74, 203.46°)
OKLaboklab(70.64% -0.0995 -0.0373)
OKLCHoklch(70.64% 0.106 200.5)
XYZxyz(26.8625, 37.0395, 52.7377)
Luminance0.3704 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#37B4BB #BB3E37
analogous
#37BB80 #37B4BB #3772BB
triadic
#37B4BB #BB37B4 #B4BB37
tetradic
#37B4BB #8037BB #BB3E37 #72BB37
square
#37B4BB #8037BB #BB3E37 #72BB37
split-complementary
#37B4BB #BB3772 #BB8037
monochromatic
#1B595C #29868C #37B4BB #5FCAD0 #8EDADE

Accessibility & contrast

On white

2.50
#37B4BB on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.41
#37B4BB on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #37B4BB
8.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##37B4BB#FFFFFF#000000##000000
##37B4BB1.002.508.418.41
#FFFFFF2.501.0021.0021.00
#0000008.4121.001.001.00
##0000008.4121.001.001.00

Color blindness preview

Protanopia (red-blind)
#A7ACBC
Deuteranopia (green-blind)
#939EBC
Tritanopia (blue-blind)
#00BBB6
Achromatopsia (no color)
#A4A4A4

Design tokens & code

CSS
--color: #37b4bb;
/* rgb */ color: rgb(55, 180, 187);
/* oklch */ color: oklch(70.6% 0.106 200.5);
Tailwind
colors: {
  custom: {
    50: '#81cbcf',
    500: '#37b4bb',
    950: '#000000',
  },
}
SCSS
$custom: #37b4bb;
$custom-light: #81cbcf;
$custom-dark: #000000;
JSON
{
  "hex": "#37b4bb",
  "rgb": {
    "r": 55,
    "g": 180,
    "b": 187
  },
  "hsl": {
    "h": 183.182,
    "s": 54.545,
    "l": 47.451
  },
  "oklch": {
    "l": 0.70641,
    "c": 0.10624,
    "h": 200.5
  },
  "luminance": 0.37043
}

Semantic roles & 50–950 ramp

primary
#37B4BB
secondary
#C98985
accent
#524ADE
background
#F8FCFC
surface
#F0F8F9
border
#CBD1D2
text
#0C1313
muted
#7D8282

Preview Lab

Preview with #37B4BB

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

Preview Lab → · Contrast checker → · Palette generator →

#37B4BB Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva