#C73D33#C73D33

#C73D33 is a mid, vivid red. Relative luminance 0.157; OKLCH L 56.0% C 0.176 H 28.3°. Best body text is #FFFFFF at 5.07:1 contrast (WCAG AA passes).

Color values

HEX#C73D33
RGBrgb(199, 61, 51)
HSLhsl(4, 59%, 49%)
HSVhsv(4, 74%, 78%)
CMYKcmyk(0%, 69.3%, 74.4%, 22%)
CIE-LABlab(46.61, 53.97, 37.26)
CIE-LCHlch(46.61, 65.58, 34.62°)
OKLaboklab(56.04% 0.1553 0.0835)
OKLCHoklch(56.04% 0.176 28.3)
XYZxyz(25.8224, 15.7225, 4.8064)
Luminance0.1572 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#C73D33 #33BDC7
analogous
#C73373 #C73D33 #C78733
triadic
#C73D33 #33C73D #3D33C7
tetradic
#C73D33 #73C733 #33BDC7 #8733C7
square
#C73D33 #73C733 #33BDC7 #8733C7
split-complementary
#C73D33 #33C787 #3373C7
monochromatic
#661F1A #962E27 #C73D33 #D66961 #E39791

Accessibility & contrast

On white

5.07
#C73D33 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.14
#C73D33 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C73D33
5.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##C73D33#FFFFFF#000000##FFFFFF
##C73D331.005.074.145.07
#FFFFFF5.071.0021.001.00
#0000004.1421.001.0021.00
##FFFFFF5.071.0021.001.00

Color blindness preview

Protanopia (red-blind)
#655B31
Deuteranopia (green-blind)
#877A2E
Tritanopia (blue-blind)
#DB0C3C
Achromatopsia (no color)
#6E6E6E

Design tokens & code

CSS
--color: #c73d33;
/* rgb */ color: rgb(199, 61, 51);
/* oklch */ color: oklch(56.0% 0.176 28.3);
Tailwind
colors: {
  custom: {
    50: '#e17b6b',
    500: '#c73d33',
    950: '#000000',
  },
}
SCSS
$custom: #c73d33;
$custom-light: #e17b6b;
$custom-dark: #000000;
JSON
{
  "hex": "#c73d33",
  "rgb": {
    "r": 199,
    "g": 61,
    "b": 51
  },
  "hsl": {
    "h": 4.054,
    "s": 59.2,
    "l": 49.02
  },
  "oklch": {
    "l": 0.56044,
    "c": 0.17632,
    "h": 28.3
  },
  "luminance": 0.15719
}

Semantic roles & 50–950 ramp

primary
#C73D33
secondary
#88C9CE
accent
#D8E245
background
#FFF7F6
surface
#FEEEEB
border
#D6C9C6
text
#170A07
muted
#857C7A

Preview Lab

Preview with #C73D33

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

Preview Lab → · Contrast checker → · Palette generator →

#C73D33 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva