#37A7C8#37A7C8

#37A7C8 is a light, moderate cyan. Relative luminance 0.326; OKLCH L 68.0% C 0.109 H 221.7°. Best body text is #000000 at 7.52:1 contrast (WCAG AA passes).

Color values

HEX#37A7C8
RGBrgb(55, 167, 200)
HSLhsl(194, 57%, 50%)
HSVhsv(194, 73%, 78%)
CMYKcmyk(72.5%, 16.5%, 0%, 21.6%)
CIE-LABlab(63.85, -20.37, -25.90)
CIE-LCHlch(63.85, 32.95, 231.81°)
OKLaboklab(68.01% -0.0812 -0.0724)
OKLCHoklch(68.01% 0.109 221.7)
XYZxyz(25.8153, 32.6168, 59.5675)
Luminance0.3262 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#37A7C8 #C85837
analogous
#37C8A0 #37A7C8 #375FC8
triadic
#37A7C8 #C837A7 #A7C837
tetradic
#37A7C8 #A037C8 #C85837 #5FC837
square
#37A7C8 #A037C8 #C85837 #5FC837
split-complementary
#37A7C8 #C8375F #C8A037
monochromatic
#1D5768 #2A7F98 #37A7C8 #67BCD5 #97D1E2

Accessibility & contrast

On white

2.79
#37A7C8 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.52
#37A7C8 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #37A7C8
7.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##37A7C8#FFFFFF#000000##000000
##37A7C81.002.797.527.52
#FFFFFF2.791.0021.0021.00
#0000007.5221.001.001.00
##0000007.5221.001.001.00

Color blindness preview

Protanopia (red-blind)
#94A3CA
Deuteranopia (green-blind)
#8094C8
Tritanopia (blue-blind)
#00B1B2
Achromatopsia (no color)
#9B9B9B

Design tokens & code

CSS
--color: #37a7c8;
/* rgb */ color: rgb(55, 167, 200);
/* oklch */ color: oklch(68.0% 0.109 221.7);
Tailwind
colors: {
  custom: {
    50: '#82c1d8',
    500: '#37a7c8',
    950: '#000000',
  },
}
SCSS
$custom: #37a7c8;
$custom-light: #82c1d8;
$custom-dark: #000000;
JSON
{
  "hex": "#37a7c8",
  "rgb": {
    "r": 55,
    "g": 167,
    "b": 200
  },
  "hsl": {
    "h": 193.655,
    "s": 56.863,
    "l": 50
  },
  "oklch": {
    "l": 0.68005,
    "c": 0.10881,
    "h": 221.7
  },
  "luminance": 0.3262
}

Semantic roles & 50–950 ramp

primary
#37A7C8
secondary
#CE9C8D
accent
#6A48E0
background
#F8FBFD
surface
#F0F7FA
border
#CBD0D3
text
#0C1214
muted
#7D8183

Preview Lab

Preview with #37A7C8

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

Preview Lab → · Contrast checker → · Palette generator →

#37A7C8 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva