#C63C43#C63C43

#C63C43 is a mid, vivid red. Relative luminance 0.156; OKLCH L 56.0% C 0.174 H 22.1°. Best body text is #FFFFFF at 5.09:1 contrast (WCAG AA passes).

Color values

HEX	#C63C43
RGB	rgb(198, 60, 67)
HSL	hsl(357, 55%, 51%)
HSV	hsv(357, 70%, 78%)
CMYK	cmyk(0%, 69.7%, 66.2%, 22.4%)
CIE-LAB	lab(46.51, 54.82, 27.79)
CIE-LCH	lch(46.51, 61.46, 26.88°)
OKLab	oklab(56.01% 0.1614 0.0655)
OKLCH	oklch(56.01% 0.174 22.1)
XYZ	xyz(25.9204, 15.6465, 6.9643)
Luminance	0.1564 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C63C43 #3CC6BF

analogous

#C63C88 #C63C43 #C67A3C

triadic

#C63C43 #43C63C #3C43C6

tetradic

#C63C43 #88C63C #3CC6BF #7A3CC6

square

#C63C43 #88C63C #3CC6BF #7A3CC6

split-complementary

#C63C43 #3CC67A #3C88C6

monochromatic

#691F22 #982D32 #C63C43 #D46B71 #E29B9E

Accessibility & contrast

On white

5.09

#C63C43 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.13

#C63C43 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C63C43

5.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C63C43	#FFFFFF	#000000	##FFFFFF
##C63C43	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)

#625B42

Deuteranopia (green-blind)

#85793F

Tritanopia (blue-blind)

#D91240

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #c63c43;
/* rgb */ color: rgb(198, 60, 67);
/* oklch */ color: oklch(56.0% 0.174 22.1);

Tailwind

colors: {
  custom: {
    50: '#df7b77',
    500: '#c63c43',
    950: '#000000',
  },
}

SCSS

$custom: #c63c43;
$custom-light: #df7b77;
$custom-dark: #000000;

JSON

{
  "hex": "#c63c43",
  "rgb": {
    "r": 198,
    "g": 60,
    "b": 67
  },
  "hsl": {
    "h": 356.957,
    "s": 54.762,
    "l": 50.588
  },
  "oklch": {
    "l": 0.56006,
    "c": 0.1742,
    "h": 22.1
  },
  "luminance": 0.15643
}

Semantic roles & 50–950 ramp

primary

#C63C43

secondary

#90CECA

accent

#DED74A

background

#FEF7F7

surface

#FDEEED

border

#D5C9C8

text

#170A08

muted

#857C7B

Preview Lab

Preview with #C63C43

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

Preview Lab → · Contrast checker → · Palette generator →