#C73B33#C73B33

#C73B33 is a mid, vivid red. Relative luminance 0.155; OKLCH L 55.8% C 0.178 H 27.7°. Best body text is #FFFFFF at 5.12:1 contrast (WCAG AA passes).

Color values

HEX	#C73B33
RGB	rgb(199, 59, 51)
HSL	hsl(3, 59%, 49%)
HSV	hsv(3, 74%, 78%)
CMYK	cmyk(0%, 70.4%, 74.4%, 22%)
CIE-LAB	lab(46.33, 54.74, 36.95)
CIE-LCH	lch(46.33, 66.04, 34.02°)
OKLab	oklab(55.84% 0.1577 0.0828)
OKLCH	oklch(55.84% 0.178 27.7)
XYZ	xyz(25.7176, 15.5129, 4.7715)
Luminance	0.1551 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C73B33 #33BFC7

analogous

#C73375 #C73B33 #C78533

triadic

#C73B33 #33C73B #3B33C7

tetradic

#C73B33 #75C733 #33BFC7 #8533C7

square

#C73B33 #75C733 #33BFC7 #8533C7

split-complementary

#C73B33 #33C785 #3375C7

monochromatic

#661E1A #962D27 #C73B33 #D66761 #E39691

Accessibility & contrast

On white

5.12

#C73B33 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.10

#C73B33 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C73B33

5.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C73B33	#FFFFFF	#000000	##FFFFFF
##C73B33	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)

#645A31

Deuteranopia (green-blind)

#86792E

Tritanopia (blue-blind)

#DB033A

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #c73b33;
/* rgb */ color: rgb(199, 59, 51);
/* oklch */ color: oklch(55.8% 0.178 27.7);

Tailwind

colors: {
  custom: {
    50: '#e17a6b',
    500: '#c73b33',
    950: '#000000',
  },
}

SCSS

$custom: #c73b33;
$custom-light: #e17a6b;
$custom-dark: #000000;

JSON

{
  "hex": "#c73b33",
  "rgb": {
    "r": 199,
    "g": 59,
    "b": 51
  },
  "hsl": {
    "h": 3.243,
    "s": 59.2,
    "l": 49.02
  },
  "oklch": {
    "l": 0.55835,
    "c": 0.17814,
    "h": 27.7
  },
  "luminance": 0.15509
}

Semantic roles & 50–950 ramp

primary

#C73B33

secondary

#88CACE

accent

#DAE245

background

#FFF7F6

surface

#FEEEEB

border

#D6C9C6

text

#170A07

muted

#857C7A

Preview Lab

Preview with #C73B33

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

Preview Lab → · Contrast checker → · Palette generator →