#37B5B8#37B5B8

#37B5B8 is a light, moderate teal. Relative luminance 0.373; OKLCH L 70.8% C 0.107 H 197.4°. Best body text is #000000 at 8.46:1 contrast (WCAG AA passes).

Color values

HEX#37B5B8
RGBrgb(55, 181, 184)
HSLhsl(181, 54%, 47%)
HSVhsv(181, 70%, 72%)
CMYKcmyk(70.1%, 1.6%, 0%, 27.8%)
CIE-LABlab(67.51, -32.32, -11.46)
CIE-LCHlch(67.51, 34.29, 199.53°)
OKLaboklab(70.78% -0.1018 -0.0318)
OKLCHoklch(70.78% 0.107 197.4)
XYZxyz(26.7473, 37.3175, 51.1314)
Luminance0.3732 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#37B5B8 #B83A37
analogous
#37B87A #37B5B8 #3775B8
triadic
#37B5B8 #B837B5 #B5B837
tetradic
#37B5B8 #7A37B8 #B83A37 #75B837
square
#37B5B8 #7A37B8 #B83A37 #75B837
split-complementary
#37B5B8 #B83775 #B87A37
monochromatic
#1B585A #298789 #37B5B8 #5DCCCF #8DDBDD

Accessibility & contrast

On white

2.48
#37B5B8 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.46
#37B5B8 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #37B5B8
8.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##37B5B8#FFFFFF#000000##000000
##37B5B81.002.488.468.46
#FFFFFF2.481.0021.0021.00
#0000008.4621.001.001.00
##0000008.4621.001.001.00

Color blindness preview

Protanopia (red-blind)
#A8ADB8
Deuteranopia (green-blind)
#959EB9
Tritanopia (blue-blind)
#00BBB6
Achromatopsia (no color)
#A4A4A4

Design tokens & code

CSS
--color: #37b5b8;
/* rgb */ color: rgb(55, 181, 184);
/* oklch */ color: oklch(70.8% 0.107 197.4);
Tailwind
colors: {
  custom: {
    50: '#81cbcd',
    500: '#37b5b8',
    950: '#000000',
  },
}
SCSS
$custom: #37b5b8;
$custom-light: #81cbcd;
$custom-dark: #000000;
JSON
{
  "hex": "#37b5b8",
  "rgb": {
    "r": 55,
    "g": 181,
    "b": 184
  },
  "hsl": {
    "h": 181.395,
    "s": 53.975,
    "l": 46.863
  },
  "oklch": {
    "l": 0.70778,
    "c": 0.10665,
    "h": 197.4
  },
  "luminance": 0.37321
}

Semantic roles & 50–950 ramp

primary
#37B5B8
secondary
#C78584
accent
#4E4ADD
background
#F8FCFC
surface
#F0F8F9
border
#CBD1D2
text
#0C1313
muted
#7D8282

Preview Lab

Preview with #37B5B8

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

Preview Lab → · Contrast checker → · Palette generator →

#37B5B8 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva