#C73638#C73638

#C73638 is a mid, vivid red. Relative luminance 0.151; OKLCH L 55.4% C 0.182 H 24.7°. Best body text is #FFFFFF at 5.23:1 contrast (WCAG AA passes).

Color values

HEX	#C73638
RGB	rgb(199, 54, 56)
HSL	hsl(359, 57%, 50%)
HSV	hsv(359, 73%, 78%)
CMYK	cmyk(0%, 72.9%, 71.9%, 22%)
CIE-LAB	lab(45.73, 56.78, 33.40)
CIE-LCH	lch(45.73, 65.87, 30.46°)
OKLab	oklab(55.41% 0.1652 0.0762)
OKLCH	oklch(55.41% 0.182 24.7)
XYZ	xyz(25.5891, 15.0699, 5.3020)
Luminance	0.1507 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C73638 #36C7C5

analogous

#C73681 #C73638 #C77C36

triadic

#C73638 #38C736 #3638C7

tetradic

#C73638 #81C736 #36C7C5 #7C36C7

square

#C73638 #81C736 #36C7C5 #7C36C7

split-complementary

#C73638 #36C77C #3681C7

monochromatic

#671C1D #97292A #C73638 #D56567 #E29596

Accessibility & contrast

On white

5.23

#C73638 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.01

#C73638 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C73638

5.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C73638	#FFFFFF	#000000	##FFFFFF
##C73638	1.00	5.23	4.01	5.23
#FFFFFF	5.23	1.00	21.00	1.00
#000000	4.01	21.00	1.00	21.00
##FFFFFF	5.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#605837

Deuteranopia (green-blind)

#847833

Tritanopia (blue-blind)

#DB0038

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #c73638;
/* rgb */ color: rgb(199, 54, 56);
/* oklch */ color: oklch(55.4% 0.182 24.7);

Tailwind

colors: {
  custom: {
    50: '#e0786f',
    500: '#c73638',
    950: '#000000',
  },
}

SCSS

$custom: #c73638;
$custom-light: #e0786f;
$custom-dark: #000000;

JSON

{
  "hex": "#c73638",
  "rgb": {
    "r": 199,
    "g": 54,
    "b": 56
  },
  "hsl": {
    "h": 359.172,
    "s": 57.312,
    "l": 49.608
  },
  "oklch": {
    "l": 0.55408,
    "c": 0.18192,
    "h": 24.7
  },
  "luminance": 0.15066
}

Semantic roles & 50–950 ramp

primary

#C73638

secondary

#8BCECD

accent

#E1DE47

background

#FFF7F6

surface

#FEEEEC

border

#D6C9C7

text

#170A07

muted

#857C7A

Preview Lab

Preview with #C73638

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

Preview Lab → · Contrast checker → · Palette generator →