#C73E33#C73E33

#C73E33 is a mid, vivid red. Relative luminance 0.158; OKLCH L 56.2% C 0.175 H 28.6°. Best body text is #FFFFFF at 5.04:1 contrast (WCAG AA passes).

Color values

HEX	#C73E33
RGB	rgb(199, 62, 51)
HSL	hsl(4, 59%, 49%)
HSV	hsv(4, 74%, 78%)
CMYK	cmyk(0%, 68.8%, 74.4%, 22%)
CIE-LAB	lab(46.75, 53.58, 37.42)
CIE-LCH	lch(46.75, 65.35, 34.93°)
OKLab	oklab(56.15% 0.1541 0.0838)
OKLCH	oklch(56.15% 0.175 28.6)
XYZ	xyz(25.8763, 15.8302, 4.8243)
Luminance	0.1583 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C73E33 #33BCC7

analogous

#C73372 #C73E33 #C78833

triadic

#C73E33 #33C73E #3E33C7

tetradic

#C73E33 #72C733 #33BCC7 #8833C7

square

#C73E33 #72C733 #33BCC7 #8833C7

split-complementary

#C73E33 #33C788 #3372C7

monochromatic

#66201A #962F27 #C73E33 #D66A61 #E39891

Accessibility & contrast

On white

5.04

#C73E33 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.17

#C73E33 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C73E33

5.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C73E33	#FFFFFF	#000000	##FFFFFF
##C73E33	1.00	5.04	4.17	5.04
#FFFFFF	5.04	1.00	21.00	1.00
#000000	4.17	21.00	1.00	21.00
##FFFFFF	5.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#655C31

Deuteranopia (green-blind)

#877A2E

Tritanopia (blue-blind)

#DB0F3D

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #c73e33;
/* rgb */ color: rgb(199, 62, 51);
/* oklch */ color: oklch(56.2% 0.175 28.6);

Tailwind

colors: {
  custom: {
    50: '#e07b6b',
    500: '#c73e33',
    950: '#000000',
  },
}

SCSS

$custom: #c73e33;
$custom-light: #e07b6b;
$custom-dark: #000000;

JSON

{
  "hex": "#c73e33",
  "rgb": {
    "r": 199,
    "g": 62,
    "b": 51
  },
  "hsl": {
    "h": 4.459,
    "s": 59.2,
    "l": 49.02
  },
  "oklch": {
    "l": 0.56151,
    "c": 0.17542,
    "h": 28.6
  },
  "luminance": 0.15826
}

Semantic roles & 50–950 ramp

primary

#C73E33

secondary

#88C9CE

accent

#D7E245

background

#FFF7F6

surface

#FEEEEB

border

#D6C9C6

text

#170A07

muted

#857C7A

Preview Lab

Preview with #C73E33

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

Preview Lab → · Contrast checker → · Palette generator →