#C63E40#C63E40

#C63E40 is a mid, vivid red. Relative luminance 0.158; OKLCH L 56.2% C 0.173 H 23.8°. Best body text is #FFFFFF at 5.04:1 contrast (WCAG AA passes).

Color values

HEX	#C63E40
RGB	rgb(198, 62, 64)
HSL	hsl(359, 54%, 51%)
HSV	hsv(359, 69%, 78%)
CMYK	cmyk(0%, 68.7%, 67.7%, 22.4%)
CIE-LAB	lab(46.74, 53.88, 29.86)
CIE-LCH	lch(46.74, 61.60, 29.00°)
OKLab	oklab(56.17% 0.1578 0.0698)
OKLCH	oklch(56.17% 0.173 23.8)
XYZ	xyz(25.9395, 15.8249, 6.5381)
Luminance	0.1582 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C63E40 #3EC6C4

analogous

#C63E84 #C63E40 #C6803E

triadic

#C63E40 #40C63E #3E40C6

tetradic

#C63E40 #84C63E #3EC6C4 #803EC6

square

#C63E40 #84C63E #3EC6C4 #803EC6

split-complementary

#C63E40 #3EC680 #3E84C6

monochromatic

#6A1F20 #992D2F #C63E40 #D46D6F #E29C9E

Accessibility & contrast

On white

5.04

#C63E40 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.16

#C63E40 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C63E40

5.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C63E40	#FFFFFF	#000000	##FFFFFF
##C63E40	1.00	5.04	4.16	5.04
#FFFFFF	5.04	1.00	21.00	1.00
#000000	4.16	21.00	1.00	21.00
##FFFFFF	5.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#645C3F

Deuteranopia (green-blind)

#867A3C

Tritanopia (blue-blind)

#D91640

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #c63e40;
/* rgb */ color: rgb(198, 62, 64);
/* oklch */ color: oklch(56.2% 0.173 23.8);

Tailwind

colors: {
  custom: {
    50: '#df7c75',
    500: '#c63e40',
    950: '#000000',
  },
}

SCSS

$custom: #c63e40;
$custom-light: #df7c75;
$custom-dark: #000000;

JSON

{
  "hex": "#c63e40",
  "rgb": {
    "r": 198,
    "g": 62,
    "b": 64
  },
  "hsl": {
    "h": 359.118,
    "s": 54.4,
    "l": 50.98
  },
  "oklch": {
    "l": 0.56168,
    "c": 0.17254,
    "h": 23.8
  },
  "luminance": 0.15821
}

Semantic roles & 50–950 ramp

primary

#C63E40

secondary

#92CECD

accent

#DEDC4A

background

#FEF7F7

surface

#FDEEED

border

#D5C9C8

text

#170A08

muted

#857C7B

Preview Lab

Preview with #C63E40

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

Preview Lab → · Contrast checker → · Palette generator →