#C73D3F#C73D3F

#C73D3F is a mid, vivid red. Relative luminance 0.158; OKLCH L 56.2% C 0.175 H 24.0°. Best body text is #FFFFFF at 5.04:1 contrast (WCAG AA passes).

Color values

HEX	#C73D3F
RGB	rgb(199, 61, 63)
HSL	hsl(359, 55%, 51%)
HSV	hsv(359, 69%, 78%)
CMYK	cmyk(0%, 69.3%, 68.3%, 22%)
CIE-LAB	lab(46.77, 54.53, 30.52)
CIE-LCH	lch(46.77, 62.49, 29.23°)
OKLab	oklab(56.21% 0.1596 0.071)
OKLCH	oklch(56.21% 0.175 24)
XYZ	xyz(26.1219, 15.8423, 6.3841)
Luminance	0.1584 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C73D3F #3DC7C5

analogous

#C73D84 #C73D3F #C7803D

triadic

#C73D3F #3FC73D #3D3FC7

tetradic

#C73D3F #84C73D #3DC7C5 #803DC7

square

#C73D3F #84C73D #3DC7C5 #803DC7

split-complementary

#C73D3F #3DC780 #3D84C7

monochromatic

#6B1F20 #9A2D2E #C73D3F #D56C6E #E29C9D

Accessibility & contrast

On white

5.04

#C73D3F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.17

#C73D3F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C73D3F

5.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C73D3F	#FFFFFF	#000000	##FFFFFF
##C73D3F	1.00	5.04	4.17	5.04
#FFFFFF	5.04	1.00	21.00	1.00
#000000	4.17	21.00	1.00	21.00
##FFFFFF	5.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#635C3E

Deuteranopia (green-blind)

#867A3B

Tritanopia (blue-blind)

#DA123F

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #c73d3f;
/* rgb */ color: rgb(199, 61, 63);
/* oklch */ color: oklch(56.2% 0.175 24.0);

Tailwind

colors: {
  custom: {
    50: '#e07b74',
    500: '#c73d3f',
    950: '#000000',
  },
}

SCSS

$custom: #c73d3f;
$custom-light: #e07b74;
$custom-dark: #000000;

JSON

{
  "hex": "#c73d3f",
  "rgb": {
    "r": 199,
    "g": 61,
    "b": 63
  },
  "hsl": {
    "h": 359.13,
    "s": 55.2,
    "l": 50.98
  },
  "oklch": {
    "l": 0.56214,
    "c": 0.17466,
    "h": 24
  },
  "luminance": 0.15838
}

Semantic roles & 50–950 ramp

primary

#C73D3F

secondary

#91CECE

accent

#DFDC49

background

#FEF7F7

surface

#FDEEED

border

#D5C9C8

text

#170A08

muted

#857C7B

Preview Lab

Preview with #C73D3F

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

Preview Lab → · Contrast checker → · Palette generator →