#C73A28#C73A28

#C73A28 is a mid, vivid red. Relative luminance 0.153; OKLCH L 55.6% C 0.181 H 30.7°. Best body text is #FFFFFF at 5.17:1 contrast (WCAG AA passes).

Color values

HEX	#C73A28
RGB	rgb(199, 58, 40)
HSL	hsl(7, 67%, 47%)
HSV	hsv(7, 80%, 78%)
CMYK	cmyk(0%, 70.9%, 79.9%, 22%)
CIE-LAB	lab(46.08, 54.71, 42.69)
CIE-LCH	lch(46.08, 69.39, 37.97°)
OKLab	oklab(55.61% 0.1554 0.0922)
OKLCH	oklch(55.61% 0.181 30.7)
XYZ	xyz(25.4522, 15.3253, 3.6250)
Luminance	0.1532 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C73A28 #28B5C7

analogous

#C72866 #C73A28 #C78928

triadic

#C73A28 #28C73A #3A28C7

tetradic

#C73A28 #66C728 #28B5C7 #8928C7

square

#C73A28 #66C728 #28B5C7 #8928C7

split-complementary

#C73A28 #28C789 #2866C7

monochromatic

#611C14 #942B1E #C73A28 #DC6050 #E68E83

Accessibility & contrast

On white

5.17

#C73A28 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.06

#C73A28 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C73A28

5.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C73A28	#FFFFFF	#000000	##FFFFFF
##C73A28	1.00	5.17	4.06	5.17
#FFFFFF	5.17	1.00	21.00	1.00
#000000	4.06	21.00	1.00	21.00
##FFFFFF	5.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#645925

Deuteranopia (green-blind)

#877822

Tritanopia (blue-blind)

#DB0037

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #c73a28;
/* rgb */ color: rgb(199, 58, 40);
/* oklch */ color: oklch(55.6% 0.181 30.7);

Tailwind

colors: {
  custom: {
    50: '#e17964',
    500: '#c73a28',
    950: '#000000',
  },
}

SCSS

$custom: #c73a28;
$custom-light: #e17964;
$custom-dark: #000000;

JSON

{
  "hex": "#c73a28",
  "rgb": {
    "r": 199,
    "g": 58,
    "b": 40
  },
  "hsl": {
    "h": 6.792,
    "s": 66.527,
    "l": 46.863
  },
  "oklch": {
    "l": 0.5561,
    "c": 0.18074,
    "h": 30.7
  },
  "luminance": 0.15321
}

Semantic roles & 50–950 ramp

primary

#C73A28

secondary

#7CC6CF

accent

#D6E93E

background

#FFF7F6

surface

#FEEEEB

border

#D6C9C6

text

#170A05

muted

#857C7A

Preview Lab

Preview with #C73A28

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

Preview Lab → · Contrast checker → · Palette generator →