#C73633#C73633

#C73633 is a mid, vivid red. Relative luminance 0.150; OKLCH L 55.3% C 0.183 H 26.4°. Best body text is #FFFFFF at 5.25:1 contrast (WCAG AA passes).

Color values

HEX	#C73633
RGB	rgb(199, 54, 51)
HSL	hsl(1, 59%, 49%)
HSV	hsv(1, 74%, 78%)
CMYK	cmyk(0%, 72.9%, 74.4%, 22%)
CIE-LAB	lab(45.67, 56.56, 36.21)
CIE-LCH	lch(45.67, 67.16, 32.63°)
OKLab	oklab(55.34% 0.1635 0.0812)
OKLCH	oklch(55.34% 0.183 26.4)
XYZ	xyz(25.4728, 15.0234, 4.6899)
Luminance	0.1502 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C73633 #33C4C7

analogous

#C7337A #C73633 #C78033

triadic

#C73633 #33C736 #3633C7

tetradic

#C73633 #7AC733 #33C4C7 #8033C7

square

#C73633 #7AC733 #33C4C7 #8033C7

split-complementary

#C73633 #33C780 #337AC7

monochromatic

#661C1A #962927 #C73633 #D66361 #E39391

Accessibility & contrast

On white

5.25

#C73633 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.00

#C73633 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C73633

5.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C73633	#FFFFFF	#000000	##FFFFFF
##C73633	1.00	5.25	4.00	5.25
#FFFFFF	5.25	1.00	21.00	1.00
#000000	4.00	21.00	1.00	21.00
##FFFFFF	5.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#615831

Deuteranopia (green-blind)

#85782E

Tritanopia (blue-blind)

#DB0037

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #c73633;
/* rgb */ color: rgb(199, 54, 51);
/* oklch */ color: oklch(55.3% 0.183 26.4);

Tailwind

colors: {
  custom: {
    50: '#e1786b',
    500: '#c73633',
    950: '#000000',
  },
}

SCSS

$custom: #c73633;
$custom-light: #e1786b;
$custom-dark: #000000;

JSON

{
  "hex": "#c73633",
  "rgb": {
    "r": 199,
    "g": 54,
    "b": 51
  },
  "hsl": {
    "h": 1.216,
    "s": 59.2,
    "l": 49.02
  },
  "oklch": {
    "l": 0.5534,
    "c": 0.18253,
    "h": 26.4
  },
  "luminance": 0.15019
}

Semantic roles & 50–950 ramp

primary

#C73633

secondary

#88CCCE

accent

#DFE245

background

#FFF7F6

surface

#FEEEEB

border

#D6C9C6

text

#170A06

muted

#857C7A

Preview Lab

Preview with #C73633

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

Preview Lab → · Contrast checker → · Palette generator →