#C73F3C#C73F3C

#C73F3C is a mid, vivid red. Relative luminance 0.160; OKLCH L 56.4% C 0.173 H 25.7°. Best body text is #FFFFFF at 4.99:1 contrast (WCAG AA passes).

Color values

HEX	#C73F3C
RGB	rgb(199, 63, 60)
HSL	hsl(1, 55%, 51%)
HSV	hsv(1, 70%, 78%)
CMYK	cmyk(0%, 68.3%, 69.8%, 22%)
CIE-LAB	lab(47.01, 53.60, 32.57)
CIE-LCH	lch(47.01, 62.72, 31.29°)
OKLab	oklab(56.38% 0.156 0.0751)
OKLCH	oklch(56.38% 0.173 25.7)
XYZ	xyz(26.1491, 16.0272, 5.9907)
Luminance	0.1602 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C73F3C #3CC4C7

analogous

#C73C7E #C73F3C #C7843C

triadic

#C73F3C #3CC73F #3F3CC7

tetradic

#C73F3C #7EC73C #3CC4C7 #843CC7

square

#C73F3C #7EC73C #3CC4C7 #843CC7

split-complementary

#C73F3C #3CC784 #3C7EC7

monochromatic

#6A201E #9A2E2C #C73F3C #D56E6C #E29D9B

Accessibility & contrast

On white

4.99

#C73F3C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.20

#C73F3C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C73F3C

4.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C73F3C	#FFFFFF	#000000	##FFFFFF
##C73F3C	1.00	4.99	4.20	4.99
#FFFFFF	4.99	1.00	21.00	1.00
#000000	4.20	21.00	1.00	21.00
##FFFFFF	4.99	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#655D3A

Deuteranopia (green-blind)

#877A38

Tritanopia (blue-blind)

#DB1640

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #c73f3c;
/* rgb */ color: rgb(199, 63, 60);
/* oklch */ color: oklch(56.4% 0.173 25.7);

Tailwind

colors: {
  custom: {
    50: '#e07c72',
    500: '#c73f3c',
    950: '#000000',
  },
}

SCSS

$custom: #c73f3c;
$custom-light: #e07c72;
$custom-dark: #000000;

JSON

{
  "hex": "#c73f3c",
  "rgb": {
    "r": 199,
    "g": 63,
    "b": 60
  },
  "hsl": {
    "h": 1.295,
    "s": 55.378,
    "l": 50.784
  },
  "oklch": {
    "l": 0.56382,
    "c": 0.17311,
    "h": 25.7
  },
  "luminance": 0.16023
}

Semantic roles & 50–950 ramp

primary

#C73F3C

secondary

#91CDCE

accent

#DBDF49

background

#FEF7F6

surface

#FDEEEC

border

#D5C9C7

text

#170A08

muted

#857C7B

Preview Lab

Preview with #C73F3C

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

Preview Lab → · Contrast checker → · Palette generator →