#37B1BF#37B1BF

#37B1BF is a light, moderate teal. Relative luminance 0.360; OKLCH L 70.1% C 0.106 H 206.2°. Best body text is #000000 at 8.20:1 contrast (WCAG AA passes).

Color values

HEX#37B1BF
RGBrgb(55, 177, 191)
HSLhsl(186, 55%, 48%)
HSVhsv(186, 71%, 75%)
CMYKcmyk(71.2%, 7.3%, 0%, 25.1%)
CIE-LABlab(66.53, -28.29, -16.82)
CIE-LCHlch(66.53, 32.91, 210.73°)
OKLaboklab(70.06% -0.0948 -0.0467)
OKLCHoklch(70.06% 0.106 206.2)
XYZxyz(26.6976, 36.0150, 54.8246)
Luminance0.3602 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#37B1BF #BF4537
analogous
#37BF89 #37B1BF #376DBF
triadic
#37B1BF #BF37B1 #B1BF37
tetradic
#37B1BF #8937BF #BF4537 #6DBF37
square
#37B1BF #8937BF #BF4537 #6DBF37
split-complementary
#37B1BF #BF376D #BF8937
monochromatic
#1C5960 #29858F #37B1BF #62C6D2 #91D7DF

Accessibility & contrast

On white

2.56
#37B1BF on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.20
#37B1BF on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #37B1BF
8.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##37B1BF#FFFFFF#000000##000000
##37B1BF1.002.568.208.20
#FFFFFF2.561.0021.0021.00
#0000008.2021.001.001.00
##0000008.2021.001.001.00

Color blindness preview

Protanopia (red-blind)
#A2AAC0
Deuteranopia (green-blind)
#8F9CBF
Tritanopia (blue-blind)
#00B9B5
Achromatopsia (no color)
#A2A2A2

Design tokens & code

CSS
--color: #37b1bf;
/* rgb */ color: rgb(55, 177, 191);
/* oklch */ color: oklch(70.1% 0.106 206.2);
Tailwind
colors: {
  custom: {
    50: '#81c8d2',
    500: '#37b1bf',
    950: '#000000',
  },
}
SCSS
$custom: #37b1bf;
$custom-light: #81c8d2;
$custom-dark: #000000;
JSON
{
  "hex": "#37b1bf",
  "rgb": {
    "r": 55,
    "g": 177,
    "b": 191
  },
  "hsl": {
    "h": 186.176,
    "s": 55.285,
    "l": 48.235
  },
  "oklch": {
    "l": 0.70057,
    "c": 0.10566,
    "h": 206.2
  },
  "luminance": 0.36018
}

Semantic roles & 50–950 ramp

primary
#37B1BF
secondary
#CA8E88
accent
#5949DF
background
#F8FCFC
surface
#F0F8F9
border
#CBD1D2
text
#0C1314
muted
#7D8282

Preview Lab

Preview with #37B1BF

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

Preview Lab → · Contrast checker → · Palette generator →

#37B1BF Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva