#37B0D2#37B0D2

#37B0D2 is a light, moderate cyan. Relative luminance 0.365; OKLCH L 70.6% C 0.114 H 220.9°. Best body text is #000000 at 8.30:1 contrast (WCAG AA passes).

Color values

HEX#37B0D2
RGBrgb(55, 176, 210)
HSLhsl(193, 63%, 52%)
HSVhsv(193, 74%, 82%)
CMYKcmyk(73.8%, 16.2%, 0%, 17.6%)
CIE-LABlab(66.91, -21.81, -26.73)
CIE-LCHlch(66.91, 34.51, 230.79°)
OKLaboklab(70.59% -0.0862 -0.0748)
OKLCHoklch(70.59% 0.114 220.9)
XYZxyz(28.7289, 36.5126, 66.4938)
Luminance0.3652 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#37B0D2 #D25937
analogous
#37D2A6 #37B0D2 #3763D2
triadic
#37B0D2 #D237B0 #B0D237
tetradic
#37B0D2 #A637D2 #D25937 #63D237
square
#37B0D2 #A637D2 #D25937 #63D237
split-complementary
#37B0D2 #D23763 #D2A637
monochromatic
#1A6174 #258AA6 #37B0D2 #69C4DD #9BD7E8

Accessibility & contrast

On white

2.53
#37B0D2 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.30
#37B0D2 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #37B0D2
8.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##37B0D2#FFFFFF#000000##000000
##37B0D21.002.538.308.30
#FFFFFF2.531.0021.0021.00
#0000008.3021.001.001.00
##0000008.3021.001.001.00

Color blindness preview

Protanopia (red-blind)
#9CABD4
Deuteranopia (green-blind)
#879CD2
Tritanopia (blue-blind)
#00BBBB
Achromatopsia (no color)
#A3A3A3

Design tokens & code

CSS
--color: #37b0d2;
/* rgb */ color: rgb(55, 176, 210);
/* oklch */ color: oklch(70.6% 0.114 220.9);
Tailwind
colors: {
  custom: {
    50: '#84c7e0',
    500: '#37b0d2',
    950: '#000000',
  },
}
SCSS
$custom: #37b0d2;
$custom-light: #84c7e0;
$custom-dark: #000000;
JSON
{
  "hex": "#37b0d2",
  "rgb": {
    "r": 55,
    "g": 176,
    "b": 210
  },
  "hsl": {
    "h": 193.161,
    "s": 63.265,
    "l": 51.961
  },
  "oklch": {
    "l": 0.70587,
    "c": 0.11409,
    "h": 220.9
  },
  "luminance": 0.36516
}

Semantic roles & 50–950 ramp

primary
#37B0D2
secondary
#D49F90
accent
#6641E6
background
#F8FCFD
surface
#F0F8FB
border
#CBD1D4
text
#0C1315
muted
#7D8283

Preview Lab

Preview with #37B0D2

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

Preview Lab → · Contrast checker → · Palette generator →

#37B0D2 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva