#37B0CC#37B0CC

#37B0CC is a light, moderate cyan. Relative luminance 0.362; OKLCH L 70.3% C 0.111 H 216.8°. Best body text is #000000 at 8.24:1 contrast (WCAG AA passes).

Color values

HEX#37B0CC
RGBrgb(55, 176, 204)
HSLhsl(191, 59%, 51%)
HSVhsv(191, 73%, 80%)
CMYKcmyk(73%, 13.7%, 0%, 20%)
CIE-LABlab(66.69, -23.74, -23.77)
CIE-LCHlch(66.69, 33.59, 225.04°)
OKLaboklab(70.33% -0.0885 -0.0663)
OKLCHoklch(70.33% 0.111 216.8)
XYZxyz(27.9954, 36.2192, 62.6306)
Luminance0.3622 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#37B0CC #CC5337
analogous
#37CC9D #37B0CC #3765CC
triadic
#37B0CC #CC37B0 #B0CC37
tetradic
#37B0CC #9D37CC #CC5337 #65CC37
square
#37B0CC #9D37CC #CC5337 #65CC37
split-complementary
#37B0CC #CC3765 #CC9D37
monochromatic
#1C5E6D #28889E #37B0CC #68C3D8 #99D7E5

Accessibility & contrast

On white

2.55
#37B0CC on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.24
#37B0CC on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #37B0CC
8.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##37B0CC#FFFFFF#000000##000000
##37B0CC1.002.558.248.24
#FFFFFF2.551.0021.0021.00
#0000008.2421.001.001.00
##0000008.2421.001.001.00

Color blindness preview

Protanopia (red-blind)
#9DABCE
Deuteranopia (green-blind)
#899CCC
Tritanopia (blue-blind)
#00BAB9
Achromatopsia (no color)
#A2A2A2

Design tokens & code

CSS
--color: #37b0cc;
/* rgb */ color: rgb(55, 176, 204);
/* oklch */ color: oklch(70.3% 0.111 216.8);
Tailwind
colors: {
  custom: {
    50: '#83c7db',
    500: '#37b0cc',
    950: '#000000',
  },
}
SCSS
$custom: #37b0cc;
$custom-light: #83c7db;
$custom-dark: #000000;
JSON
{
  "hex": "#37b0cc",
  "rgb": {
    "r": 55,
    "g": 176,
    "b": 204
  },
  "hsl": {
    "h": 191.275,
    "s": 59.363,
    "l": 50.784
  },
  "oklch": {
    "l": 0.70334,
    "c": 0.11059,
    "h": 216.8
  },
  "luminance": 0.36223
}

Semantic roles & 50–950 ramp

primary
#37B0CC
secondary
#D09B8E
accent
#6345E3
background
#F8FCFD
surface
#F0F8FB
border
#CBD1D4
text
#0C1315
muted
#7D8283

Preview Lab

Preview with #37B0CC

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

Preview Lab → · Contrast checker → · Palette generator →

#37B0CC Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva