#C73B28#C73B28

#C73B28 is a mid, vivid red. Relative luminance 0.154; OKLCH L 55.7% C 0.180 H 31.0°. Best body text is #FFFFFF at 5.14:1 contrast (WCAG AA passes).

Color values

HEX	#C73B28
RGB	rgb(199, 59, 40)
HSL	hsl(7, 67%, 47%)
HSV	hsv(7, 80%, 78%)
CMYK	cmyk(0%, 70.4%, 79.9%, 22%)
CIE-LAB	lab(46.21, 54.33, 42.83)
CIE-LCH	lch(46.21, 69.18, 38.25°)
OKLab	oklab(55.71% 0.1543 0.0925)
OKLCH	oklch(55.71% 0.18 31)
XYZ	xyz(25.5031, 15.4271, 3.6419)
Luminance	0.1542 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C73B28 #28B4C7

analogous

#C72865 #C73B28 #C78B28

triadic

#C73B28 #28C73B #3B28C7

tetradic

#C73B28 #65C728 #28B4C7 #8B28C7

square

#C73B28 #65C728 #28B4C7 #8B28C7

split-complementary

#C73B28 #28C78B #2865C7

monochromatic

#611D14 #942C1E #C73B28 #DC6150 #E68F83

Accessibility & contrast

On white

5.14

#C73B28 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.08

#C73B28 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C73B28

5.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C73B28	#FFFFFF	#000000	##FFFFFF
##C73B28	1.00	5.14	4.08	5.14
#FFFFFF	5.14	1.00	21.00	1.00
#000000	4.08	21.00	1.00	21.00
##FFFFFF	5.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#645A24

Deuteranopia (green-blind)

#877922

Tritanopia (blue-blind)

#DB0038

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #c73b28;
/* rgb */ color: rgb(199, 59, 40);
/* oklch */ color: oklch(55.7% 0.180 31.0);

Tailwind

colors: {
  custom: {
    50: '#e17a64',
    500: '#c73b28',
    950: '#000000',
  },
}

SCSS

$custom: #c73b28;
$custom-light: #e17a64;
$custom-dark: #000000;

JSON

{
  "hex": "#c73b28",
  "rgb": {
    "r": 199,
    "g": 59,
    "b": 40
  },
  "hsl": {
    "h": 7.17,
    "s": 66.527,
    "l": 46.863
  },
  "oklch": {
    "l": 0.55713,
    "c": 0.17988,
    "h": 31
  },
  "luminance": 0.15423
}

Semantic roles & 50–950 ramp

primary

#C73B28

secondary

#7CC5CF

accent

#D5E93E

background

#FFF7F6

surface

#FEEEEB

border

#D6C9C6

text

#170A05

muted

#857C7A

Preview Lab

Preview with #C73B28

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

Preview Lab → · Contrast checker → · Palette generator →