#C73B3E#C73B3E

#C73B3E is a mid, vivid red. Relative luminance 0.156; OKLCH L 56.0% C 0.177 H 23.8°. Best body text is #FFFFFF at 5.09:1 contrast (WCAG AA passes).

Color values

HEX	#C73B3E
RGB	rgb(199, 59, 62)
HSL	hsl(359, 56%, 51%)
HSV	hsv(359, 70%, 78%)
CMYK	cmyk(0%, 70.4%, 68.8%, 22%)
CIE-LAB	lab(46.47, 55.25, 30.76)
CIE-LCH	lch(46.47, 63.23, 29.11°)
OKLab	oklab(55.99% 0.1616 0.0714)
OKLCH	oklch(55.99% 0.177 23.8)
XYZ	xyz(25.9895, 15.6217, 6.2033)
Luminance	0.1562 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C73B3E #3BC7C4

analogous

#C73B84 #C73B3E #C77E3B

triadic

#C73B3E #3EC73B #3B3EC7

tetradic

#C73B3E #84C73B #3BC7C4 #7E3BC7

square

#C73B3E #84C73B #3BC7C4 #7E3BC7

split-complementary

#C73B3E #3BC77E #3B84C7

monochromatic

#691E20 #992C2E #C73B3E #D56B6D #E29A9C

Accessibility & contrast

On white

5.09

#C73B3E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.12

#C73B3E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C73B3E

5.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C73B3E	#FFFFFF	#000000	##FFFFFF
##C73B3E	1.00	5.09	4.12	5.09
#FFFFFF	5.09	1.00	21.00	1.00
#000000	4.12	21.00	1.00	21.00
##FFFFFF	5.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#625B3D

Deuteranopia (green-blind)

#85793A

Tritanopia (blue-blind)

#DB0A3E

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #c73b3e;
/* rgb */ color: rgb(199, 59, 62);
/* oklch */ color: oklch(56.0% 0.177 23.8);

Tailwind

colors: {
  custom: {
    50: '#e07a73',
    500: '#c73b3e',
    950: '#000000',
  },
}

SCSS

$custom: #c73b3e;
$custom-light: #e07a73;
$custom-dark: #000000;

JSON

{
  "hex": "#c73b3e",
  "rgb": {
    "r": 199,
    "g": 59,
    "b": 62
  },
  "hsl": {
    "h": 358.714,
    "s": 55.556,
    "l": 50.588
  },
  "oklch": {
    "l": 0.5599,
    "c": 0.17668,
    "h": 23.8
  },
  "luminance": 0.15618
}

Semantic roles & 50–950 ramp

primary

#C73B3E

secondary

#90CECD

accent

#DFDC49

background

#FEF7F7

surface

#FDEEED

border

#D5C9C8

text

#170A08

muted

#857C7B

Preview Lab

Preview with #C73B3E

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

Preview Lab → · Contrast checker → · Palette generator →