#C73539#C73539

#C73539 is a mid, vivid red. Relative luminance 0.150; OKLCH L 55.3% C 0.183 H 24.2°. Best body text is #FFFFFF at 5.25:1 contrast (WCAG AA passes).

Color values

HEX	#C73539
RGB	rgb(199, 53, 57)
HSL	hsl(358, 58%, 49%)
HSV	hsv(358, 73%, 78%)
CMYK	cmyk(0%, 73.4%, 71.4%, 22%)
CIE-LAB	lab(45.62, 57.17, 32.68)
CIE-LCH	lch(45.62, 65.86, 29.75°)
OKLab	oklab(55.33% 0.1667 0.0748)
OKLCH	oklch(55.33% 0.183 24.2)
XYZ	xyz(25.5677, 14.9876, 5.4167)
Luminance	0.1498 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C73539 #35C7C3

analogous

#C73582 #C73539 #C77A35

triadic

#C73539 #39C735 #3539C7

tetradic

#C73539 #82C735 #35C7C3 #7A35C7

square

#C73539 #82C735 #35C7C3 #7A35C7

split-complementary

#C73539 #35C77A #3582C7

monochromatic

#661B1D #97282B #C73539 #D66467 #E29496

Accessibility & contrast

On white

5.25

#C73539 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.00

#C73539 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C73539

5.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C73539	#FFFFFF	#000000	##FFFFFF
##C73539	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)

#605838

Deuteranopia (green-blind)

#847734

Tritanopia (blue-blind)

#DB0038

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #c73539;
/* rgb */ color: rgb(199, 53, 57);
/* oklch */ color: oklch(55.3% 0.183 24.2);

Tailwind

colors: {
  custom: {
    50: '#e0776f',
    500: '#c73539',
    950: '#000000',
  },
}

SCSS

$custom: #c73539;
$custom-light: #e0776f;
$custom-dark: #000000;

JSON

{
  "hex": "#c73539",
  "rgb": {
    "r": 199,
    "g": 53,
    "b": 57
  },
  "hsl": {
    "h": 358.356,
    "s": 57.937,
    "l": 49.412
  },
  "oklch": {
    "l": 0.55329,
    "c": 0.18267,
    "h": 24.2
  },
  "luminance": 0.14984
}

Semantic roles & 50–950 ramp

primary

#C73539

secondary

#8ACECC

accent

#E1DD47

background

#FFF7F6

surface

#FEEEEC

border

#D6C9C7

text

#170907

muted

#857B7A

Preview Lab

Preview with #C73539

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

Preview Lab → · Contrast checker → · Palette generator →