#C73B3C#C73B3C

#C73B3C is a mid, vivid red. Relative luminance 0.156; OKLCH L 56.0% C 0.177 H 24.6°. Best body text is #FFFFFF at 5.10:1 contrast (WCAG AA passes).

Color values

HEX	#C73B3C
RGB	rgb(199, 59, 60)
HSL	hsl(360, 56%, 51%)
HSV	hsv(360, 70%, 78%)
CMYK	cmyk(0%, 70.4%, 69.8%, 22%)
CIE-LAB	lab(46.45, 55.15, 31.90)
CIE-LCH	lch(46.45, 63.71, 30.05°)
OKLab	oklab(55.96% 0.1609 0.0736)
OKLCH	oklch(55.96% 0.177 24.6)
XYZ	xyz(25.9356, 15.6001, 5.9196)
Luminance	0.1560 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C73B3C #3BC7C6

analogous

#C73B82 #C73B3C #C7803B

triadic

#C73B3C #3CC73B #3B3CC7

tetradic

#C73B3C #82C73B #3BC7C6 #803BC7

square

#C73B3C #82C73B #3BC7C6 #803BC7

split-complementary

#C73B3C #3BC780 #3B82C7

monochromatic

#691E1F #992C2D #C73B3C #D56B6B #E29A9B

Accessibility & contrast

On white

5.10

#C73B3C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.12

#C73B3C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C73B3C

5.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C73B3C	#FFFFFF	#000000	##FFFFFF
##C73B3C	1.00	5.10	4.12	5.10
#FFFFFF	5.10	1.00	21.00	1.00
#000000	4.12	21.00	1.00	21.00
##FFFFFF	5.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#635B3B

Deuteranopia (green-blind)

#867938

Tritanopia (blue-blind)

#DB093D

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #c73b3c;
/* rgb */ color: rgb(199, 59, 60);
/* oklch */ color: oklch(56.0% 0.177 24.6);

Tailwind

colors: {
  custom: {
    50: '#e07a72',
    500: '#c73b3c',
    950: '#000000',
  },
}

SCSS

$custom: #c73b3c;
$custom-light: #e07a72;
$custom-dark: #000000;

JSON

{
  "hex": "#c73b3c",
  "rgb": {
    "r": 199,
    "g": 59,
    "b": 60
  },
  "hsl": {
    "h": 359.571,
    "s": 55.556,
    "l": 50.588
  },
  "oklch": {
    "l": 0.5596,
    "c": 0.17691,
    "h": 24.6
  },
  "luminance": 0.15596
}

Semantic roles & 50–950 ramp

primary

#C73B3C

secondary

#90CECE

accent

#DFDE49

background

#FEF7F6

surface

#FDEEEC

border

#D5C9C7

text

#170A08

muted

#857C7B

Preview Lab

Preview with #C73B3C

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

Preview Lab → · Contrast checker → · Palette generator →