#C73831#C73831

#C73831 is a mid, vivid red. Relative luminance 0.152; OKLCH L 55.5% C 0.181 H 27.6°. Best body text is #FFFFFF at 5.20:1 contrast (WCAG AA passes).

Color values

HEX#C73831
RGBrgb(199, 56, 49)
HSLhsl(3, 60%, 49%)
HSVhsv(3, 75%, 78%)
CMYKcmyk(0%, 71.9%, 75.4%, 22%)
CIE-LABlab(45.90, 55.77, 37.61)
CIE-LCHlch(45.90, 67.26, 33.99°)
OKLaboklab(55.51% 0.1605 0.0838)
OKLCHoklch(55.51% 0.181 27.6)
XYZxyz(25.5247, 15.1961, 4.4943)
Luminance0.1519 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#C73831 #31C0C7
analogous
#C73175 #C73831 #C78331
triadic
#C73831 #31C738 #3831C7
tetradic
#C73831 #75C731 #31C0C7 #8331C7
square
#C73831 #75C731 #31C0C7 #8331C7
split-complementary
#C73831 #31C783 #3175C7
monochromatic
#651C19 #962A25 #C73831 #D7645E #E3938F

Accessibility & contrast

On white

5.20
#C73831 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.04
#C73831 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C73831
5.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##C73831#FFFFFF#000000##FFFFFF
##C738311.005.204.045.20
#FFFFFF5.201.0021.001.00
#0000004.0421.001.0021.00
##FFFFFF5.201.0021.001.00

Color blindness preview

Protanopia (red-blind)
#62592F
Deuteranopia (green-blind)
#86782C
Tritanopia (blue-blind)
#DB0038
Achromatopsia (no color)
#6D6D6D

Design tokens & code

CSS
--color: #c73831;
/* rgb */ color: rgb(199, 56, 49);
/* oklch */ color: oklch(55.5% 0.181 27.6);
Tailwind
colors: {
  custom: {
    50: '#e1786a',
    500: '#c73831',
    950: '#000000',
  },
}
SCSS
$custom: #c73831;
$custom-light: #e1786a;
$custom-dark: #000000;
JSON
{
  "hex": "#c73831",
  "rgb": {
    "r": 199,
    "g": 56,
    "b": 49
  },
  "hsl": {
    "h": 2.8,
    "s": 60.484,
    "l": 48.627
  },
  "oklch": {
    "l": 0.55509,
    "c": 0.18108,
    "h": 27.6
  },
  "luminance": 0.15192
}

Semantic roles & 50–950 ramp

primary
#C73831
secondary
#86CBCE
accent
#DCE444
background
#FFF7F6
surface
#FEEEEB
border
#D6C9C6
text
#170A06
muted
#857C7A

Preview Lab

Preview with #C73831

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

Preview Lab → · Contrast checker → · Palette generator →

#C73831 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva