#C73F36#C73F36

#C73F36 is a mid, vivid red. Relative luminance 0.160; OKLCH L 56.3% C 0.174 H 27.8°. Best body text is #FFFFFF at 5.01:1 contrast (WCAG AA passes).

Color values

HEX	#C73F36
RGB	rgb(199, 63, 54)
HSL	hsl(4, 57%, 50%)
HSV	hsv(4, 73%, 78%)
CMYK	cmyk(0%, 68.3%, 72.9%, 22%)
CIE-LAB	lab(46.93, 53.32, 35.93)
CIE-LCH	lch(46.93, 64.29, 33.98°)
OKLab	oklab(56.3% 0.1539 0.0813)
OKLCH	oklch(56.3% 0.174 27.8)
XYZ	xyz(25.9994, 15.9673, 5.2023)
Luminance	0.1596 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C73F36 #36BEC7

analogous

#C73676 #C73F36 #C78836

triadic

#C73F36 #36C73F #3F36C7

tetradic

#C73F36 #76C736 #36BEC7 #8836C7

square

#C73F36 #76C736 #36BEC7 #8836C7

split-complementary

#C73F36 #36C788 #3676C7

monochromatic

#67211C #973029 #C73F36 #D56C65 #E29A95

Accessibility & contrast

On white

5.01

#C73F36 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.19

#C73F36 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C73F36

5.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C73F36	#FFFFFF	#000000	##FFFFFF
##C73F36	1.00	5.01	4.19	5.01
#FFFFFF	5.01	1.00	21.00	1.00
#000000	4.19	21.00	1.00	21.00
##FFFFFF	5.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#665C34

Deuteranopia (green-blind)

#877A31

Tritanopia (blue-blind)

#DB143E

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #c73f36;
/* rgb */ color: rgb(199, 63, 54);
/* oklch */ color: oklch(56.3% 0.174 27.8);

Tailwind

colors: {
  custom: {
    50: '#e07c6d',
    500: '#c73f36',
    950: '#000000',
  },
}

SCSS

$custom: #c73f36;
$custom-light: #e07c6d;
$custom-dark: #000000;

JSON

{
  "hex": "#c73f36",
  "rgb": {
    "r": 199,
    "g": 63,
    "b": 54
  },
  "hsl": {
    "h": 3.724,
    "s": 57.312,
    "l": 49.608
  },
  "oklch": {
    "l": 0.56298,
    "c": 0.174,
    "h": 27.8
  },
  "luminance": 0.15963
}

Semantic roles & 50–950 ramp

primary

#C73F36

secondary

#8BC9CE

accent

#D7E147

background

#FEF7F6

surface

#FDEEEB

border

#D5C9C6

text

#170A07

muted

#857C7A

Preview Lab

Preview with #C73F36

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

Preview Lab → · Contrast checker → · Palette generator →