#C73831#C73831

#C73831 is a mid, vivid red. Relative luminance 0.152; OKLCH L 55.5% C 0.181 H 27.6°. Best body text is #FFFFFF at 5.20:1 contrast (WCAG AA passes).

Color values

HEX	#C73831
RGB	rgb(199, 56, 49)
HSL	hsl(3, 60%, 49%)
HSV	hsv(3, 75%, 78%)
CMYK	cmyk(0%, 71.9%, 75.4%, 22%)
CIE-LAB	lab(45.90, 55.77, 37.61)
CIE-LCH	lch(45.90, 67.26, 33.99°)
OKLab	oklab(55.51% 0.1605 0.0838)
OKLCH	oklch(55.51% 0.181 27.6)
XYZ	xyz(25.5247, 15.1961, 4.4943)
Luminance	0.1519 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C73831 #31C0C7

analogous

#C73175 #C73831 #C78331

triadic

#C73831 #31C738 #3831C7

tetradic

#C73831 #75C731 #31C0C7 #8331C7

square

#C73831 #75C731 #31C0C7 #8331C7

split-complementary

#C73831 #31C783 #3175C7

monochromatic

#651C19 #962A25 #C73831 #D7645E #E3938F

Accessibility & contrast

On white

5.20

#C73831 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.04

#C73831 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C73831

5.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C73831	#FFFFFF	#000000	##FFFFFF
##C73831	1.00	5.20	4.04	5.20
#FFFFFF	5.20	1.00	21.00	1.00
#000000	4.04	21.00	1.00	21.00
##FFFFFF	5.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#62592F

Deuteranopia (green-blind)

#86782C

Tritanopia (blue-blind)

#DB0038

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #c73831;
/* rgb */ color: rgb(199, 56, 49);
/* oklch */ color: oklch(55.5% 0.181 27.6);

Tailwind

colors: {
  custom: {
    50: '#e1786a',
    500: '#c73831',
    950: '#000000',
  },
}

SCSS

$custom: #c73831;
$custom-light: #e1786a;
$custom-dark: #000000;

JSON

{
  "hex": "#c73831",
  "rgb": {
    "r": 199,
    "g": 56,
    "b": 49
  },
  "hsl": {
    "h": 2.8,
    "s": 60.484,
    "l": 48.627
  },
  "oklch": {
    "l": 0.55509,
    "c": 0.18108,
    "h": 27.6
  },
  "luminance": 0.15192
}

Semantic roles & 50–950 ramp

primary

#C73831

secondary

#86CBCE

accent

#DCE444

background

#FFF7F6

surface

#FEEEEB

border

#D6C9C6

text

#170A06

muted

#857C7A

Preview Lab

Preview with #C73831

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

Preview Lab → · Contrast checker → · Palette generator →