#37B5CB#37B5CB

#37B5CB is a light, moderate teal. Relative luminance 0.382; OKLCH L 71.5% C 0.111 H 211.9°. Best body text is #000000 at 8.63:1 contrast (WCAG AA passes).

Color values

HEX#37B5CB
RGBrgb(55, 181, 203)
HSLhsl(189, 59%, 51%)
HSVhsv(189, 73%, 80%)
CMYKcmyk(72.9%, 10.8%, 0%, 20.4%)
CIE-LABlab(68.14, -26.57, -20.99)
CIE-LCHlch(68.14, 33.86, 218.31°)
OKLaboklab(71.5% -0.0938 -0.0584)
OKLCHoklch(71.5% 0.111 211.9)
XYZxyz(28.8743, 38.1683, 62.3338)
Luminance0.3817 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#37B5CB #CB4D37
analogous
#37CB97 #37B5CB #376BCB
triadic
#37B5CB #CB37B5 #B5CB37
tetradic
#37B5CB #9737CB #CB4D37 #6BCB37
square
#37B5CB #9737CB #CB4D37 #6BCB37
split-complementary
#37B5CB #CB376B #CB9737
monochromatic
#1C606C #298B9C #37B5CB #68C7D8 #98D9E4

Accessibility & contrast

On white

2.43
#37B5CB on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.63
#37B5CB on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #37B5CB
8.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##37B5CB#FFFFFF#000000##000000
##37B5CB1.002.438.638.63
#FFFFFF2.431.0021.0021.00
#0000008.6321.001.001.00
##0000008.6321.001.001.00

Color blindness preview

Protanopia (red-blind)
#A4AFCC
Deuteranopia (green-blind)
#8FA0CB
Tritanopia (blue-blind)
#00BEBC
Achromatopsia (no color)
#A6A6A6

Design tokens & code

CSS
--color: #37b5cb;
/* rgb */ color: rgb(55, 181, 203);
/* oklch */ color: oklch(71.5% 0.111 211.9);
Tailwind
colors: {
  custom: {
    50: '#83cbda',
    500: '#37b5cb',
    950: '#000000',
  },
}
SCSS
$custom: #37b5cb;
$custom-light: #83cbda;
$custom-dark: #000000;
JSON
{
  "hex": "#37b5cb",
  "rgb": {
    "r": 55,
    "g": 181,
    "b": 203
  },
  "hsl": {
    "h": 188.919,
    "s": 58.73,
    "l": 50.588
  },
  "oklch": {
    "l": 0.71496,
    "c": 0.11052,
    "h": 211.9
  },
  "luminance": 0.38172
}

Semantic roles & 50–950 ramp

primary
#37B5CB
secondary
#D0988E
accent
#5D46E2
background
#F8FCFD
surface
#F0F8FA
border
#CBD1D3
text
#0C1315
muted
#7D8283

Preview Lab

Preview with #37B5CB

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

Preview Lab → · Contrast checker → · Palette generator →

#37B5CB Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva