#37B4CE#37B4CE

#37B4CE is a light, moderate cyan. Relative luminance 0.379; OKLCH L 71.4% C 0.112 H 214.9°. Best body text is #000000 at 8.58:1 contrast (WCAG AA passes).

Color values

HEX#37B4CE
RGBrgb(55, 180, 206)
HSLhsl(190, 61%, 51%)
HSVhsv(190, 73%, 81%)
CMYKcmyk(73.3%, 12.6%, 0%, 19.2%)
CIE-LABlab(67.95, -25.13, -22.93)
CIE-LCHlch(67.95, 34.02, 222.38°)
OKLaboklab(71.38% -0.0916 -0.064)
OKLCHoklch(71.38% 0.112 214.9)
XYZxyz(29.0327, 37.9075, 64.1673)
Luminance0.3791 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#37B4CE #CE5137
analogous
#37CE9C #37B4CE #3768CE
triadic
#37B4CE #CE37B4 #B4CE37
tetradic
#37B4CE #9C37CE #CE5137 #68CE37
square
#37B4CE #9C37CE #CE5137 #68CE37
split-complementary
#37B4CE #CE3768 #CE9C37
monochromatic
#1B616F #278CA0 #37B4CE #68C6DA #99D9E6

Accessibility & contrast

On white

2.45
#37B4CE on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.58
#37B4CE on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #37B4CE
8.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##37B4CE#FFFFFF#000000##000000
##37B4CE1.002.458.588.58
#FFFFFF2.451.0021.0021.00
#0000008.5821.001.001.00
##0000008.5821.001.001.00

Color blindness preview

Protanopia (red-blind)
#A2AECF
Deuteranopia (green-blind)
#8D9FCE
Tritanopia (blue-blind)
#00BEBC
Achromatopsia (no color)
#A6A6A6

Design tokens & code

CSS
--color: #37b4ce;
/* rgb */ color: rgb(55, 180, 206);
/* oklch */ color: oklch(71.4% 0.112 214.9);
Tailwind
colors: {
  custom: {
    50: '#83cadd',
    500: '#37b4ce',
    950: '#000000',
  },
}
SCSS
$custom: #37b4ce;
$custom-light: #83cadd;
$custom-dark: #000000;
JSON
{
  "hex": "#37b4ce",
  "rgb": {
    "r": 55,
    "g": 180,
    "b": 206
  },
  "hsl": {
    "h": 190.331,
    "s": 60.643,
    "l": 51.176
  },
  "oklch": {
    "l": 0.71376,
    "c": 0.11173,
    "h": 214.9
  },
  "luminance": 0.37911
}

Semantic roles & 50–950 ramp

primary
#37B4CE
secondary
#D29B8F
accent
#6044E4
background
#F8FCFD
surface
#F0F8FB
border
#CBD1D4
text
#0C1315
muted
#7D8283

Preview Lab

Preview with #37B4CE

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

Preview Lab → · Contrast checker → · Palette generator →

#37B4CE Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva