#C73937#C73937

#C73937 is a mid, vivid red. Relative luminance 0.153; OKLCH L 55.7% C 0.179 H 25.8°. Best body text is #FFFFFF at 5.16:1 contrast (WCAG AA passes).

Color values

HEX#C73937
RGBrgb(199, 57, 55)
HSLhsl(1, 57%, 50%)
HSVhsv(1, 72%, 78%)
CMYKcmyk(0%, 71.4%, 72.4%, 22%)
CIE-LABlab(46.11, 55.65, 34.41)
CIE-LCHlch(46.11, 65.44, 31.73°)
OKLaboklab(55.69% 0.1614 0.0782)
OKLCHoklch(55.69% 0.179 25.8)
XYZxyz(25.7088, 15.3481, 5.2225)
Luminance0.1534 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#C73937 #37C5C7
analogous
#C7377D #C73937 #C78137
triadic
#C73937 #37C739 #3937C7
tetradic
#C73937 #7DC737 #37C5C7 #8137C7
square
#C73937 #7DC737 #37C5C7 #8137C7
split-complementary
#C73937 #37C781 #377DC7
monochromatic
#671E1C #972B2A #C73937 #D56866 #E29796

Accessibility & contrast

On white

5.16
#C73937 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.07
#C73937 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C73937
5.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##C73937#FFFFFF#000000##FFFFFF
##C739371.005.164.075.16
#FFFFFF5.161.0021.001.00
#0000004.0721.001.0021.00
##FFFFFF5.161.0021.001.00

Color blindness preview

Protanopia (red-blind)
#625A35
Deuteranopia (green-blind)
#857832
Tritanopia (blue-blind)
#DB003A
Achromatopsia (no color)
#6D6D6D

Design tokens & code

CSS
--color: #c73937;
/* rgb */ color: rgb(199, 57, 55);
/* oklch */ color: oklch(55.7% 0.179 25.8);
Tailwind
colors: {
  custom: {
    50: '#e0796e',
    500: '#c73937',
    950: '#000000',
  },
}
SCSS
$custom: #c73937;
$custom-light: #e0796e;
$custom-dark: #000000;
JSON
{
  "hex": "#c73937",
  "rgb": {
    "r": 199,
    "g": 57,
    "b": 55
  },
  "hsl": {
    "h": 0.833,
    "s": 56.693,
    "l": 49.804
  },
  "oklch": {
    "l": 0.55686,
    "c": 0.17937,
    "h": 25.8
  },
  "luminance": 0.15344
}

Semantic roles & 50–950 ramp

primary
#C73937
secondary
#8CCDCD
accent
#DEE048
background
#FFF7F6
surface
#FEEEEC
border
#D6C9C7
text
#170A07
muted
#857C7A

Preview Lab

Preview with #C73937

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

Preview Lab → · Contrast checker → · Palette generator →

#C73937 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva