#C73B3A#C73B3A

#C73B3A is a mid, vivid red. Relative luminance 0.156; OKLCH L 55.9% C 0.177 H 25.3°. Best body text is #FFFFFF at 5.10:1 contrast (WCAG AA passes).

Color values

HEX	#C73B3A
RGB	rgb(199, 59, 58)
HSL	hsl(0, 56%, 50%)
HSV	hsv(0, 71%, 78%)
CMYK	cmyk(0%, 70.4%, 70.9%, 22%)
CIE-LAB	lab(46.42, 55.05, 33.03)
CIE-LCH	lch(46.42, 64.20, 30.97°)
OKLab	oklab(55.93% 0.1601 0.0757)
OKLCH	oklch(55.93% 0.177 25.3)
XYZ	xyz(25.8837, 15.5794, 5.6464)
Luminance	0.1558 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C73B3A #3AC6C7

analogous

#C73A7F #C73B3A #C7823A

triadic

#C73B3A #3AC73B #3B3AC7

tetradic

#C73B3A #7FC73A #3AC6C7 #823AC7

square

#C73B3A #7FC73A #3AC6C7 #823AC7

split-complementary

#C73B3A #3AC782 #3A7FC7

monochromatic

#691E1E #982C2B #C73B3A #D56A6A #E29A99

Accessibility & contrast

On white

5.10

#C73B3A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.12

#C73B3A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C73B3A

5.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C73B3A	#FFFFFF	#000000	##FFFFFF
##C73B3A	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)

#635B38

Deuteranopia (green-blind)

#867935

Tritanopia (blue-blind)

#DB073C

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #c73b3a;
/* rgb */ color: rgb(199, 59, 58);
/* oklch */ color: oklch(55.9% 0.177 25.3);

Tailwind

colors: {
  custom: {
    50: '#e07a70',
    500: '#c73b3a',
    950: '#000000',
  },
}

SCSS

$custom: #c73b3a;
$custom-light: #e07a70;
$custom-dark: #000000;

JSON

{
  "hex": "#c73b3a",
  "rgb": {
    "r": 199,
    "g": 59,
    "b": 58
  },
  "hsl": {
    "h": 0.426,
    "s": 55.731,
    "l": 50.392
  },
  "oklch": {
    "l": 0.5593,
    "c": 0.17716,
    "h": 25.3
  },
  "luminance": 0.15576
}

Semantic roles & 50–950 ramp

primary

#C73B3A

secondary

#8FCDCE

accent

#DEDF49

background

#FEF7F6

surface

#FDEEEC

border

#D5C9C7

text

#170A07

muted

#857C7A

Preview Lab

Preview with #C73B3A

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

Preview Lab → · Contrast checker → · Palette generator →