#37B9B4#37B9B4

#37B9B4 is a light, moderate teal. Relative luminance 0.388; OKLCH L 71.6% C 0.110 H 191.2°. Best body text is #000000 at 8.76:1 contrast (WCAG AA passes).

Color values

HEX#37B9B4
RGBrgb(55, 185, 180)
HSLhsl(178, 54%, 47%)
HSVhsv(178, 70%, 73%)
CMYKcmyk(70.3%, 0%, 2.7%, 27.5%)
CIE-LABlab(68.61, -35.36, -7.63)
CIE-LCHlch(68.61, 36.17, 192.17°)
OKLaboklab(71.62% -0.1076 -0.0213)
OKLCHoklch(71.62% 0.11 191.2)
XYZxyz(27.1589, 38.8023, 49.2294)
Luminance0.3881 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#37B9B4 #B9373C
analogous
#37B973 #37B9B4 #377DB9
triadic
#37B9B4 #B437B9 #B9B437
tetradic
#37B9B4 #7337B9 #B9373C #7DB937
square
#37B9B4 #7337B9 #B9373C #7DB937
split-complementary
#37B9B4 #B9377D #B97337
monochromatic
#1B5B58 #298A86 #37B9B4 #5ECFCB #8DDDDA

Accessibility & contrast

On white

2.40
#37B9B4 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.76
#37B9B4 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #37B9B4
8.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##37B9B4#FFFFFF#000000##000000
##37B9B41.002.408.768.76
#FFFFFF2.401.0021.0021.00
#0000008.7621.001.001.00
##0000008.7621.001.001.00

Color blindness preview

Protanopia (red-blind)
#AEAFB4
Deuteranopia (green-blind)
#9BA1B5
Tritanopia (blue-blind)
#00BEB7
Achromatopsia (no color)
#A7A7A7

Design tokens & code

CSS
--color: #37b9b4;
/* rgb */ color: rgb(55, 185, 180);
/* oklch */ color: oklch(71.6% 0.110 191.2);
Tailwind
colors: {
  custom: {
    50: '#81ceca',
    500: '#37b9b4',
    950: '#000000',
  },
}
SCSS
$custom: #37b9b4;
$custom-light: #81ceca;
$custom-dark: #000000;
JSON
{
  "hex": "#37b9b4",
  "rgb": {
    "r": 55,
    "g": 185,
    "b": 180
  },
  "hsl": {
    "h": 177.692,
    "s": 54.167,
    "l": 47.059
  },
  "oklch": {
    "l": 0.71624,
    "c": 0.10967,
    "h": 191.2
  },
  "luminance": 0.38805
}

Semantic roles & 50–950 ramp

primary
#37B9B4
secondary
#C88487
accent
#4A50DE
background
#F8FCFC
surface
#F0F9F8
border
#CBD2D1
text
#0C1413
muted
#7D8282

Preview Lab

Preview with #37B9B4

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

Preview Lab → · Contrast checker → · Palette generator →

#37B9B4 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva