#C63A42#C63A42

#C63A42 is a mid, vivid red. Relative luminance 0.154; OKLCH L 55.8% C 0.176 H 22.0°. Best body text is #FFFFFF at 5.14:1 contrast (WCAG AA passes).

Color values

HEX	#C63A42
RGB	rgb(198, 58, 66)
HSL	hsl(357, 55%, 50%)
HSV	hsv(357, 71%, 78%)
CMYK	cmyk(0%, 70.7%, 66.7%, 22.4%)
CIE-LAB	lab(46.22, 55.52, 28.02)
CIE-LCH	lch(46.22, 62.19, 26.78°)
OKLab	oklab(55.78% 0.1634 0.0659)
OKLCH	oklch(55.78% 0.176 22)
XYZ	xyz(25.7879, 15.4290, 6.7734)
Luminance	0.1542 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C63A42 #3AC6BE

analogous

#C63A88 #C63A42 #C6783A

triadic

#C63A42 #42C63A #3A42C6

tetradic

#C63A42 #88C63A #3AC6BE #783AC6

square

#C63A42 #88C63A #3AC6BE #783AC6

split-complementary

#C63A42 #3AC678 #3A88C6

monochromatic

#681E22 #972C32 #C63A42 #D46970 #E1999D

Accessibility & contrast

On white

5.14

#C63A42 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.08

#C63A42 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C63A42

5.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C63A42	#FFFFFF	#000000	##FFFFFF
##C63A42	1.00	5.14	4.08	5.14
#FFFFFF	5.14	1.00	21.00	1.00
#000000	4.08	21.00	1.00	21.00
##FFFFFF	5.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#615A41

Deuteranopia (green-blind)

#84783E

Tritanopia (blue-blind)

#D90A3E

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #c63a42;
/* rgb */ color: rgb(198, 58, 66);
/* oklch */ color: oklch(55.8% 0.176 22.0);

Tailwind

colors: {
  custom: {
    50: '#df7a76',
    500: '#c63a42',
    950: '#000000',
  },
}

SCSS

$custom: #c63a42;
$custom-light: #df7a76;
$custom-dark: #000000;

JSON

{
  "hex": "#c63a42",
  "rgb": {
    "r": 198,
    "g": 58,
    "b": 66
  },
  "hsl": {
    "h": 356.571,
    "s": 55.118,
    "l": 50.196
  },
  "oklch": {
    "l": 0.55784,
    "c": 0.17622,
    "h": 22
  },
  "luminance": 0.15425
}

Semantic roles & 50–950 ramp

primary

#C63A42

secondary

#8FCDCA

accent

#DED649

background

#FEF7F7

surface

#FDEEED

border

#D5C9C8

text

#170A08

muted

#857C7B

Preview Lab

Preview with #C63A42

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

Preview Lab → · Contrast checker → · Palette generator →