#C63C42#C63C42

#C63C42 is a mid, vivid red. Relative luminance 0.156; OKLCH L 56.0% C 0.174 H 22.5°. Best body text is #FFFFFF at 5.09:1 contrast (WCAG AA passes).

Color values

HEX	#C63C42
RGB	rgb(198, 60, 66)
HSL	hsl(357, 55%, 51%)
HSV	hsv(357, 70%, 78%)
CMYK	cmyk(0%, 69.7%, 66.7%, 22.4%)
CIE-LAB	lab(46.49, 54.76, 28.36)
CIE-LCH	lch(46.49, 61.67, 27.38°)
OKLab	oklab(55.99% 0.161 0.0667)
OKLCH	oklch(55.99% 0.174 22.5)
XYZ	xyz(25.8907, 15.6346, 6.8077)
Luminance	0.1563 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C63C42 #3CC6C0

analogous

#C63C87 #C63C42 #C67B3C

triadic

#C63C42 #42C63C #3C42C6

tetradic

#C63C42 #87C63C #3CC6C0 #7B3CC6

square

#C63C42 #87C63C #3CC6C0 #7B3CC6

split-complementary

#C63C42 #3CC67B #3C87C6

monochromatic

#691F22 #982D31 #C63C42 #D46B70 #E29B9E

Accessibility & contrast

On white

5.09

#C63C42 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.13

#C63C42 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C63C42

5.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C63C42	#FFFFFF	#000000	##FFFFFF
##C63C42	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)

#625B41

Deuteranopia (green-blind)

#85793E

Tritanopia (blue-blind)

#D9113F

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #c63c42;
/* rgb */ color: rgb(198, 60, 66);
/* oklch */ color: oklch(56.0% 0.174 22.5);

Tailwind

colors: {
  custom: {
    50: '#df7b76',
    500: '#c63c42',
    950: '#000000',
  },
}

SCSS

$custom: #c63c42;
$custom-light: #df7b76;
$custom-dark: #000000;

JSON

{
  "hex": "#c63c42",
  "rgb": {
    "r": 198,
    "g": 60,
    "b": 66
  },
  "hsl": {
    "h": 357.391,
    "s": 54.762,
    "l": 50.588
  },
  "oklch": {
    "l": 0.55989,
    "c": 0.17429,
    "h": 22.5
  },
  "luminance": 0.15631
}

Semantic roles & 50–950 ramp

primary

#C63C42

secondary

#90CECB

accent

#DED84A

background

#FEF7F7

surface

#FDEEED

border

#D5C9C8

text

#170A08

muted

#857C7B

Preview Lab

Preview with #C63C42

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

Preview Lab → · Contrast checker → · Palette generator →