#C73A3D#C73A3D

#C73A3D is a mid, vivid red. Relative luminance 0.155; OKLCH L 55.9% C 0.178 H 23.9°. Best body text is #FFFFFF at 5.12:1 contrast (WCAG AA passes).

Color values

HEX	#C73A3D
RGB	rgb(199, 58, 61)
HSL	hsl(359, 56%, 50%)
HSV	hsv(359, 71%, 78%)
CMYK	cmyk(0%, 70.9%, 69.3%, 22%)
CIE-LAB	lab(46.32, 55.57, 31.17)
CIE-LCH	lch(46.32, 63.71, 29.29°)
OKLab	oklab(55.87% 0.1624 0.0721)
OKLCH	oklch(55.87% 0.178 23.9)
XYZ	xyz(25.9114, 15.5090, 6.0431)
Luminance	0.1550 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C73A3D #3AC7C4

analogous

#C73A84 #C73A3D #C77D3A

triadic

#C73A3D #3DC73A #3A3DC7

tetradic

#C73A3D #84C73A #3AC7C4 #7D3AC7

square

#C73A3D #84C73A #3AC7C4 #7D3AC7

split-complementary

#C73A3D #3AC77D #3A84C7

monochromatic

#691E1F #982B2E #C73A3D #D56A6C #E2999B

Accessibility & contrast

On white

5.12

#C73A3D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.10

#C73A3D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C73A3D

5.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C73A3D	#FFFFFF	#000000	##FFFFFF
##C73A3D	1.00	5.12	4.10	5.12
#FFFFFF	5.12	1.00	21.00	1.00
#000000	4.10	21.00	1.00	21.00
##FFFFFF	5.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#625A3C

Deuteranopia (green-blind)

#857939

Tritanopia (blue-blind)

#DB053D

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #c73a3d;
/* rgb */ color: rgb(199, 58, 61);
/* oklch */ color: oklch(55.9% 0.178 23.9);

Tailwind

colors: {
  custom: {
    50: '#e07a72',
    500: '#c73a3d',
    950: '#000000',
  },
}

SCSS

$custom: #c73a3d;
$custom-light: #e07a72;
$custom-dark: #000000;

JSON

{
  "hex": "#c73a3d",
  "rgb": {
    "r": 199,
    "g": 58,
    "b": 61
  },
  "hsl": {
    "h": 358.723,
    "s": 55.731,
    "l": 50.392
  },
  "oklch": {
    "l": 0.55873,
    "c": 0.17773,
    "h": 23.9
  },
  "luminance": 0.15505
}

Semantic roles & 50–950 ramp

primary

#C73A3D

secondary

#8FCECD

accent

#DFDC49

background

#FEF7F6

surface

#FDEEEC

border

#D5C9C7

text

#170A08

muted

#857C7B

Preview Lab

Preview with #C73A3D

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

Preview Lab → · Contrast checker → · Palette generator →