#37B5B9#37B5B9

#37B5B9 is a light, moderate teal. Relative luminance 0.374; OKLCH L 70.8% C 0.107 H 198.2°. Best body text is #000000 at 8.47:1 contrast (WCAG AA passes).

Color values

HEX#37B5B9
RGBrgb(55, 181, 185)
HSLhsl(182, 54%, 47%)
HSVhsv(182, 70%, 73%)
CMYKcmyk(70.3%, 2.2%, 0%, 27.5%)
CIE-LABlab(67.55, -32.03, -11.97)
CIE-LCHlch(67.55, 34.19, 200.49°)
OKLaboklab(70.81% -0.1013 -0.0332)
OKLCHoklch(70.81% 0.107 198.2)
XYZxyz(26.8525, 37.3596, 51.6854)
Luminance0.3736 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#37B5B9 #B93B37
analogous
#37B97C #37B5B9 #3774B9
triadic
#37B5B9 #B937B5 #B5B937
tetradic
#37B5B9 #7C37B9 #B93B37 #74B937
square
#37B5B9 #7C37B9 #B93B37 #74B937
split-complementary
#37B5B9 #B93774 #B97C37
monochromatic
#1B595B #29878A #37B5B9 #5ECCCF #8DDBDD

Accessibility & contrast

On white

2.48
#37B5B9 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.47
#37B5B9 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #37B5B9
8.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##37B5B9#FFFFFF#000000##000000
##37B5B91.002.488.478.47
#FFFFFF2.481.0021.0021.00
#0000008.4721.001.001.00
##0000008.4721.001.001.00

Color blindness preview

Protanopia (red-blind)
#A8ADB9
Deuteranopia (green-blind)
#959FBA
Tritanopia (blue-blind)
#00BBB6
Achromatopsia (no color)
#A4A4A4

Design tokens & code

CSS
--color: #37b5b9;
/* rgb */ color: rgb(55, 181, 185);
/* oklch */ color: oklch(70.8% 0.107 198.2);
Tailwind
colors: {
  custom: {
    50: '#81cbce',
    500: '#37b5b9',
    950: '#000000',
  },
}
SCSS
$custom: #37b5b9;
$custom-light: #81cbce;
$custom-dark: #000000;
JSON
{
  "hex": "#37b5b9",
  "rgb": {
    "r": 55,
    "g": 181,
    "b": 185
  },
  "hsl": {
    "h": 181.846,
    "s": 54.167,
    "l": 47.059
  },
  "oklch": {
    "l": 0.70813,
    "c": 0.10666,
    "h": 198.2
  },
  "luminance": 0.37363
}

Semantic roles & 50–950 ramp

primary
#37B5B9
secondary
#C88684
accent
#4F4ADE
background
#F8FCFC
surface
#F0F8F9
border
#CBD1D2
text
#0C1313
muted
#7D8282

Preview Lab

Preview with #37B5B9

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

Preview Lab → · Contrast checker → · Palette generator →

#37B5B9 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva