#C73333#C73333

#C73333 is a mid, vivid red. Relative luminance 0.147; OKLCH L 55.1% C 0.185 H 25.7°. Best body text is #FFFFFF at 5.32:1 contrast (WCAG AA passes).

Color values

HEX	#C73333
RGB	rgb(199, 51, 51)
HSL	hsl(0, 59%, 49%)
HSV	hsv(0, 74%, 78%)
CMYK	cmyk(0%, 74.4%, 74.4%, 22%)
CIE-LAB	lab(45.29, 57.60, 35.80)
CIE-LCH	lch(45.29, 67.82, 31.86°)
OKLab	oklab(55.06% 0.1667 0.0803)
OKLCH	oklch(55.06% 0.185 25.7)
XYZ	xyz(25.3375, 14.7527, 4.6447)
Luminance	0.1475 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C73333 #33C7C7

analogous

#C7337D #C73333 #C77D33

triadic

#C73333 #33C733 #3333C7

tetradic

#C73333 #7DC733 #33C7C7 #7D33C7

square

#C73333 #7DC733 #33C7C7 #7D33C7

split-complementary

#C73333 #33C77D #337DC7

monochromatic

#661A1A #962727 #C73333 #D66161 #E39191

Accessibility & contrast

On white

5.32

#C73333 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.95

#C73333 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C73333

5.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C73333	#FFFFFF	#000000	##FFFFFF
##C73333	1.00	5.32	3.95	5.32
#FFFFFF	5.32	1.00	21.00	1.00
#000000	3.95	21.00	1.00	21.00
##FFFFFF	5.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F5731

Deuteranopia (green-blind)

#84772D

Tritanopia (blue-blind)

#DB0035

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #c73333;
/* rgb */ color: rgb(199, 51, 51);
/* oklch */ color: oklch(55.1% 0.185 25.7);

Tailwind

colors: {
  custom: {
    50: '#e1766b',
    500: '#c73333',
    950: '#000000',
  },
}

SCSS

$custom: #c73333;
$custom-light: #e1766b;
$custom-dark: #000000;

JSON

{
  "hex": "#c73333",
  "rgb": {
    "r": 199,
    "g": 51,
    "b": 51
  },
  "hsl": {
    "h": 0,
    "s": 59.2,
    "l": 49.02
  },
  "oklch": {
    "l": 0.55063,
    "c": 0.18506,
    "h": 25.7
  },
  "luminance": 0.14749
}

Semantic roles & 50–950 ramp

primary

#C73333

secondary

#88CECE

accent

#E2E245

background

#FFF7F6

surface

#FEEEEB

border

#D6C9C6

text

#170906

muted

#857B7A

Preview Lab

Preview with #C73333

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

Preview Lab → · Contrast checker → · Palette generator →