#C73B34#C73B34

#C73B34 is a mid, vivid red. Relative luminance 0.155; OKLCH L 55.8% C 0.178 H 27.4°. Best body text is #FFFFFF at 5.12:1 contrast (WCAG AA passes).

Color values

HEX	#C73B34
RGB	rgb(199, 59, 52)
HSL	hsl(3, 59%, 49%)
HSV	hsv(3, 74%, 78%)
CMYK	cmyk(0%, 70.4%, 73.9%, 22%)
CIE-LAB	lab(46.34, 54.78, 36.40)
CIE-LCH	lch(46.34, 65.77, 33.60°)
OKLab	oklab(55.85% 0.1581 0.0819)
OKLCH	oklch(55.85% 0.178 27.4)
XYZ	xyz(25.7399, 15.5218, 4.8888)
Luminance	0.1552 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C73B34 #34C0C7

analogous

#C73477 #C73B34 #C78534

triadic

#C73B34 #34C73B #3B34C7

tetradic

#C73B34 #77C734 #34C0C7 #8534C7

square

#C73B34 #77C734 #34C0C7 #8534C7

split-complementary

#C73B34 #34C785 #3477C7

monochromatic

#661E1B #962D27 #C73B34 #D66862 #E39793

Accessibility & contrast

On white

5.12

#C73B34 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.10

#C73B34 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C73B34

5.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C73B34	#FFFFFF	#000000	##FFFFFF
##C73B34	1.00	5.12	4.10	5.12
#FFFFFF	5.12	1.00	21.00	1.00
#000000	4.10	21.00	1.00	21.00
##FFFFFF	5.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#635A32

Deuteranopia (green-blind)

#86792F

Tritanopia (blue-blind)

#DB033B

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #c73b34;
/* rgb */ color: rgb(199, 59, 52);
/* oklch */ color: oklch(55.8% 0.178 27.4);

Tailwind

colors: {
  custom: {
    50: '#e17a6c',
    500: '#c73b34',
    950: '#000000',
  },
}

SCSS

$custom: #c73b34;
$custom-light: #e17a6c;
$custom-dark: #000000;

JSON

{
  "hex": "#c73b34",
  "rgb": {
    "r": 199,
    "g": 59,
    "b": 52
  },
  "hsl": {
    "h": 2.857,
    "s": 58.566,
    "l": 49.216
  },
  "oklch": {
    "l": 0.55848,
    "c": 0.17799,
    "h": 27.4
  },
  "luminance": 0.15518
}

Semantic roles & 50–950 ramp

primary

#C73B34

secondary

#89CACE

accent

#DAE246

background

#FFF7F6

surface

#FEEEEB

border

#D6C9C6

text

#170A07

muted

#857C7A

Preview Lab

Preview with #C73B34

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

Preview Lab → · Contrast checker → · Palette generator →