#37B2D1#37B2D1

#37B2D1 is a light, moderate cyan. Relative luminance 0.373; OKLCH L 71.0% C 0.113 H 218.6°. Best body text is #000000 at 8.45:1 contrast (WCAG AA passes).

Color values

HEX#37B2D1
RGBrgb(55, 178, 209)
HSLhsl(192, 63%, 52%)
HSVhsv(192, 74%, 82%)
CMYKcmyk(73.7%, 14.8%, 0%, 18%)
CIE-LABlab(67.47, -23.16, -25.33)
CIE-LCHlch(67.47, 34.32, 227.56°)
OKLaboklab(71.02% -0.0885 -0.0707)
OKLCHoklch(71.02% 0.113 218.6)
XYZxyz(28.9997, 37.2530, 65.9714)
Luminance0.3726 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#37B2D1 #D15637
analogous
#37D1A3 #37B2D1 #3765D1
triadic
#37B2D1 #D137B2 #B2D137
tetradic
#37B2D1 #A337D1 #D15637 #65D137
square
#37B2D1 #A337D1 #D15637 #65D137
split-complementary
#37B2D1 #D13765 #D1A337
monochromatic
#1A6173 #268BA5 #37B2D1 #69C5DC #9BD8E8

Accessibility & contrast

On white

2.48
#37B2D1 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.45
#37B2D1 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #37B2D1
8.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##37B2D1#FFFFFF#000000##000000
##37B2D11.002.488.458.45
#FFFFFF2.481.0021.0021.00
#0000008.4521.001.001.00
##0000008.4521.001.001.00

Color blindness preview

Protanopia (red-blind)
#9EADD3
Deuteranopia (green-blind)
#899ED1
Tritanopia (blue-blind)
#00BCBC
Achromatopsia (no color)
#A4A4A4

Design tokens & code

CSS
--color: #37b2d1;
/* rgb */ color: rgb(55, 178, 209);
/* oklch */ color: oklch(71.0% 0.113 218.6);
Tailwind
colors: {
  custom: {
    50: '#84c9df',
    500: '#37b2d1',
    950: '#000000',
  },
}
SCSS
$custom: #37b2d1;
$custom-light: #84c9df;
$custom-dark: #000000;
JSON
{
  "hex": "#37b2d1",
  "rgb": {
    "r": 55,
    "g": 178,
    "b": 209
  },
  "hsl": {
    "h": 192.078,
    "s": 62.602,
    "l": 51.765
  },
  "oklch": {
    "l": 0.71021,
    "c": 0.1133,
    "h": 218.6
  },
  "luminance": 0.37256
}

Semantic roles & 50–950 ramp

primary
#37B2D1
secondary
#D49E90
accent
#6342E6
background
#F8FCFD
surface
#F0F8FB
border
#CBD1D4
text
#0C1315
muted
#7D8283

Preview Lab

Preview with #37B2D1

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

Preview Lab → · Contrast checker → · Palette generator →

#37B2D1 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva