#37B5BB#37B5BB

#37B5BB is a light, moderate teal. Relative luminance 0.374; OKLCH L 70.9% C 0.107 H 199.7°. Best body text is #000000 at 8.49:1 contrast (WCAG AA passes).

Color values

HEX#37B5BB
RGBrgb(55, 181, 187)
HSLhsl(183, 55%, 47%)
HSVhsv(183, 71%, 73%)
CMYKcmyk(70.6%, 3.2%, 0%, 26.7%)
CIE-LABlab(67.61, -31.44, -12.98)
CIE-LCHlch(67.61, 34.01, 202.43°)
OKLaboklab(70.89% -0.1005 -0.036)
OKLCHoklch(70.89% 0.107 199.7)
XYZxyz(27.0651, 37.4447, 52.8052)
Luminance0.3745 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#37B5BB #BB3D37
analogous
#37BB7F #37B5BB #3773BB
triadic
#37B5BB #BB37B5 #B5BB37
tetradic
#37B5BB #7F37BB #BB3D37 #73BB37
square
#37B5BB #7F37BB #BB3D37 #73BB37
split-complementary
#37B5BB #BB3773 #BB7F37
monochromatic
#1B595C #29878C #37B5BB #5FCBD0 #8EDADE

Accessibility & contrast

On white

2.47
#37B5BB on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.49
#37B5BB on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #37B5BB
8.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##37B5BB#FFFFFF#000000##000000
##37B5BB1.002.478.498.49
#FFFFFF2.471.0021.0021.00
#0000008.4921.001.001.00
##0000008.4921.001.001.00

Color blindness preview

Protanopia (red-blind)
#A8ADBC
Deuteranopia (green-blind)
#959FBC
Tritanopia (blue-blind)
#00BCB7
Achromatopsia (no color)
#A5A5A5

Design tokens & code

CSS
--color: #37b5bb;
/* rgb */ color: rgb(55, 181, 187);
/* oklch */ color: oklch(70.9% 0.107 199.7);
Tailwind
colors: {
  custom: {
    50: '#81cbcf',
    500: '#37b5bb',
    950: '#000000',
  },
}
SCSS
$custom: #37b5bb;
$custom-light: #81cbcf;
$custom-dark: #000000;
JSON
{
  "hex": "#37b5bb",
  "rgb": {
    "r": 55,
    "g": 181,
    "b": 187
  },
  "hsl": {
    "h": 182.727,
    "s": 54.545,
    "l": 47.451
  },
  "oklch": {
    "l": 0.70886,
    "c": 0.10675,
    "h": 199.7
  },
  "luminance": 0.37448
}

Semantic roles & 50–950 ramp

primary
#37B5BB
secondary
#C98885
accent
#514ADE
background
#F8FCFC
surface
#F0F8F9
border
#CBD1D2
text
#0C1313
muted
#7D8282

Preview Lab

Preview with #37B5BB

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

Preview Lab → · Contrast checker → · Palette generator →

#37B5BB Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva