#C73D28#C73D28

#C73D28 is a mid, vivid red. Relative luminance 0.156; OKLCH L 55.9% C 0.178 H 31.5°. Best body text is #FFFFFF at 5.09:1 contrast (WCAG AA passes).

Color values

HEX	#C73D28
RGB	rgb(199, 61, 40)
HSL	hsl(8, 67%, 47%)
HSV	hsv(8, 80%, 78%)
CMYK	cmyk(0%, 69.3%, 79.9%, 22%)
CIE-LAB	lab(46.49, 53.56, 43.10)
CIE-LCH	lch(46.49, 68.75, 38.82°)
OKLab	oklab(55.92% 0.1519 0.0932)
OKLCH	oklch(55.92% 0.178 31.5)
XYZ	xyz(25.6079, 15.6367, 3.6769)
Luminance	0.1563 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C73D28 #28B2C7

analogous

#C72862 #C73D28 #C78D28

triadic

#C73D28 #28C73D #3D28C7

tetradic

#C73D28 #62C728 #28B2C7 #8D28C7

square

#C73D28 #62C728 #28B2C7 #8D28C7

split-complementary

#C73D28 #28C78D #2862C7

monochromatic

#611E14 #942D1E #C73D28 #DC6350 #E69083

Accessibility & contrast

On white

5.09

#C73D28 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.13

#C73D28 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C73D28

5.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C73D28	#FFFFFF	#000000	##FFFFFF
##C73D28	1.00	5.09	4.13	5.09
#FFFFFF	5.09	1.00	21.00	1.00
#000000	4.13	21.00	1.00	21.00
##FFFFFF	5.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#665B24

Deuteranopia (green-blind)

#887922

Tritanopia (blue-blind)

#DB0639

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #c73d28;
/* rgb */ color: rgb(199, 61, 40);
/* oklch */ color: oklch(55.9% 0.178 31.5);

Tailwind

colors: {
  custom: {
    50: '#e17b64',
    500: '#c73d28',
    950: '#000000',
  },
}

SCSS

$custom: #c73d28;
$custom-light: #e17b64;
$custom-dark: #000000;

JSON

{
  "hex": "#c73d28",
  "rgb": {
    "r": 199,
    "g": 61,
    "b": 40
  },
  "hsl": {
    "h": 7.925,
    "s": 66.527,
    "l": 46.863
  },
  "oklch": {
    "l": 0.55922,
    "c": 0.17815,
    "h": 31.5
  },
  "luminance": 0.15633
}

Semantic roles & 50–950 ramp

primary

#C73D28

secondary

#7CC4CF

accent

#D3E93E

background

#FFF7F6

surface

#FEEEEB

border

#D6C9C6

text

#170A05

muted

#857C7A

Preview Lab

Preview with #C73D28

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

Preview Lab → · Contrast checker → · Palette generator →