#37B9BC#37B9BC

#37B9BC is a light, moderate teal. Relative luminance 0.391; OKLCH L 71.9% C 0.109 H 197.3°. Best body text is #000000 at 8.83:1 contrast (WCAG AA passes).

Color values

HEX#37B9BC
RGBrgb(55, 185, 188)
HSLhsl(181, 55%, 48%)
HSVhsv(181, 71%, 74%)
CMYKcmyk(70.7%, 1.6%, 0%, 26.3%)
CIE-LABlab(68.85, -33.05, -11.67)
CIE-LCHlch(68.85, 35.05, 199.44°)
OKLaboklab(71.9% -0.1041 -0.0324)
OKLCHoklch(71.9% 0.109 197.3)
XYZxyz(27.9975, 39.1377, 53.6460)
Luminance0.3914 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#37B9BC #BC3A37
analogous
#37BC7C #37B9BC #3777BC
triadic
#37B9BC #BC37B9 #B9BC37
tetradic
#37B9BC #7C37BC #BC3A37 #77BC37
square
#37B9BC #7C37BC #BC3A37 #77BC37
split-complementary
#37B9BC #BC3777 #BC7C37
monochromatic
#1B5C5D #298A8D #37B9BC #60CED0 #8FDCDE

Accessibility & contrast

On white

2.38
#37B9BC on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.83
#37B9BC on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #37B9BC
8.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##37B9BC#FFFFFF#000000##000000
##37B9BC1.002.388.838.83
#FFFFFF2.381.0021.0021.00
#0000008.8321.001.001.00
##0000008.8321.001.001.00

Color blindness preview

Protanopia (red-blind)
#ACB0BC
Deuteranopia (green-blind)
#99A2BD
Tritanopia (blue-blind)
#00BFBA
Achromatopsia (no color)
#A8A8A8

Design tokens & code

CSS
--color: #37b9bc;
/* rgb */ color: rgb(55, 185, 188);
/* oklch */ color: oklch(71.9% 0.109 197.3);
Tailwind
colors: {
  custom: {
    50: '#82ced0',
    500: '#37b9bc',
    950: '#000000',
  },
}
SCSS
$custom: #37b9bc;
$custom-light: #82ced0;
$custom-dark: #000000;
JSON
{
  "hex": "#37b9bc",
  "rgb": {
    "r": 55,
    "g": 185,
    "b": 188
  },
  "hsl": {
    "h": 181.353,
    "s": 54.733,
    "l": 47.647
  },
  "oklch": {
    "l": 0.71902,
    "c": 0.10899,
    "h": 197.3
  },
  "luminance": 0.39141
}

Semantic roles & 50–950 ramp

primary
#37B9BC
secondary
#C98786
accent
#4D4ADE
background
#F8FCFC
surface
#F0F9F9
border
#CBD2D2
text
#0C1314
muted
#7D8282

Preview Lab

Preview with #37B9BC

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

Preview Lab → · Contrast checker → · Palette generator →

#37B9BC Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva