#C73639#C73639

#C73639 is a mid, vivid red. Relative luminance 0.151; OKLCH L 55.4% C 0.182 H 24.4°. Best body text is #FFFFFF at 5.23:1 contrast (WCAG AA passes).

Color values

HEX	#C73639
RGB	rgb(199, 54, 57)
HSL	hsl(359, 57%, 50%)
HSV	hsv(359, 73%, 78%)
CMYK	cmyk(0%, 72.9%, 71.4%, 22%)
CIE-LAB	lab(45.74, 56.83, 32.83)
CIE-LCH	lch(45.74, 65.63, 30.01°)
OKLab	oklab(55.42% 0.1656 0.0751)
OKLCH	oklch(55.42% 0.182 24.4)
XYZ	xyz(25.6138, 15.0797, 5.4321)
Luminance	0.1508 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C73639 #36C7C4

analogous

#C73681 #C73639 #C77C36

triadic

#C73639 #39C736 #3639C7

tetradic

#C73639 #81C736 #36C7C4 #7C36C7

square

#C73639 #81C736 #36C7C4 #7C36C7

split-complementary

#C73639 #36C77C #3681C7

monochromatic

#671C1D #97292B #C73639 #D56567 #E29597

Accessibility & contrast

On white

5.23

#C73639 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.02

#C73639 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C73639

5.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C73639	#FFFFFF	#000000	##FFFFFF
##C73639	1.00	5.23	4.02	5.23
#FFFFFF	5.23	1.00	21.00	1.00
#000000	4.02	21.00	1.00	21.00
##FFFFFF	5.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#605838

Deuteranopia (green-blind)

#847834

Tritanopia (blue-blind)

#DB0039

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #c73639;
/* rgb */ color: rgb(199, 54, 57);
/* oklch */ color: oklch(55.4% 0.182 24.4);

Tailwind

colors: {
  custom: {
    50: '#e0786f',
    500: '#c73639',
    950: '#000000',
  },
}

SCSS

$custom: #c73639;
$custom-light: #e0786f;
$custom-dark: #000000;

JSON

{
  "hex": "#c73639",
  "rgb": {
    "r": 199,
    "g": 54,
    "b": 57
  },
  "hsl": {
    "h": 358.759,
    "s": 57.312,
    "l": 49.608
  },
  "oklch": {
    "l": 0.55422,
    "c": 0.1818,
    "h": 24.4
  },
  "luminance": 0.15076
}

Semantic roles & 50–950 ramp

primary

#C73639

secondary

#8BCECC

accent

#E1DD47

background

#FFF7F6

surface

#FEEEEC

border

#D6C9C7

text

#170A07

muted

#857C7A

Preview Lab

Preview with #C73639

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

Preview Lab → · Contrast checker → · Palette generator →