#C73F3B#C73F3B

#C73F3B is a mid, vivid red. Relative luminance 0.160; OKLCH L 56.4% C 0.173 H 26.1°. Best body text is #FFFFFF at 5.00:1 contrast (WCAG AA passes).

Color values

HEX	#C73F3B
RGB	rgb(199, 63, 59)
HSL	hsl(2, 56%, 51%)
HSV	hsv(2, 70%, 78%)
CMYK	cmyk(0%, 68.3%, 70.4%, 22%)
CIE-LAB	lab(47.00, 53.55, 33.13)
CIE-LCH	lch(47.00, 62.97, 31.75°)
OKLab	oklab(56.37% 0.1556 0.0761)
OKLCH	oklch(56.37% 0.173 26.1)
XYZ	xyz(26.1229, 16.0167, 5.8528)
Luminance	0.1601 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C73F3B #3BC3C7

analogous

#C73B7D #C73F3B #C7853B

triadic

#C73F3B #3BC73F #3F3BC7

tetradic

#C73F3B #7DC73B #3BC3C7 #853BC7

square

#C73F3B #7DC73B #3BC3C7 #853BC7

split-complementary

#C73F3B #3BC785 #3B7DC7

monochromatic

#69201E #992F2C #C73F3B #D56E6B #E29C9A

Accessibility & contrast

On white

5.00

#C73F3B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.20

#C73F3B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C73F3B

5.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C73F3B	#FFFFFF	#000000	##FFFFFF
##C73F3B	1.00	5.00	4.20	5.00
#FFFFFF	5.00	1.00	21.00	1.00
#000000	4.20	21.00	1.00	21.00
##FFFFFF	5.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#655D39

Deuteranopia (green-blind)

#877A37

Tritanopia (blue-blind)

#DB163F

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #c73f3b;
/* rgb */ color: rgb(199, 63, 59);
/* oklch */ color: oklch(56.4% 0.173 26.1);

Tailwind

colors: {
  custom: {
    50: '#e07c71',
    500: '#c73f3b',
    950: '#000000',
  },
}

SCSS

$custom: #c73f3b;
$custom-light: #e07c71;
$custom-dark: #000000;

JSON

{
  "hex": "#c73f3b",
  "rgb": {
    "r": 199,
    "g": 63,
    "b": 59
  },
  "hsl": {
    "h": 1.714,
    "s": 55.556,
    "l": 50.588
  },
  "oklch": {
    "l": 0.56367,
    "c": 0.17326,
    "h": 26.1
  },
  "luminance": 0.16013
}

Semantic roles & 50–950 ramp

primary

#C73F3B

secondary

#90CCCE

accent

#DBDF49

background

#FEF7F6

surface

#FDEEEC

border

#D5C9C7

text

#170A07

muted

#857C7A

Preview Lab

Preview with #C73F3B

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

Preview Lab → · Contrast checker → · Palette generator →