#C63D43#C63D43

#C63D43 is a mid, vivid red. Relative luminance 0.157; OKLCH L 56.1% C 0.173 H 22.4°. Best body text is #FFFFFF at 5.06:1 contrast (WCAG AA passes).

Color values

HEX	#C63D43
RGB	rgb(198, 61, 67)
HSL	hsl(357, 55%, 51%)
HSV	hsv(357, 69%, 78%)
CMYK	cmyk(0%, 69.2%, 66.2%, 22.4%)
CIE-LAB	lab(46.65, 54.43, 27.96)
CIE-LCH	lch(46.65, 61.19, 27.19°)
OKLab	oklab(56.11% 0.1602 0.0659)
OKLCH	oklch(56.11% 0.173 22.4)
XYZ	xyz(25.9733, 15.7523, 6.9819)
Luminance	0.1575 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C63D43 #3DC6C0

analogous

#C63D87 #C63D43 #C67B3D

triadic

#C63D43 #43C63D #3D43C6

tetradic

#C63D43 #87C63D #3DC6C0 #7B3DC6

square

#C63D43 #87C63D #3DC6C0 #7B3DC6

split-complementary

#C63D43 #3DC67B #3D87C6

monochromatic

#6A1F22 #992D32 #C63D43 #D46C71 #E29C9F

Accessibility & contrast

On white

5.06

#C63D43 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.15

#C63D43 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C63D43

5.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C63D43	#FFFFFF	#000000	##FFFFFF
##C63D43	1.00	5.06	4.15	5.06
#FFFFFF	5.06	1.00	21.00	1.00
#000000	4.15	21.00	1.00	21.00
##FFFFFF	5.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#635C42

Deuteranopia (green-blind)

#85793F

Tritanopia (blue-blind)

#D91540

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #c63d43;
/* rgb */ color: rgb(198, 61, 67);
/* oklch */ color: oklch(56.1% 0.173 22.4);

Tailwind

colors: {
  custom: {
    50: '#df7b77',
    500: '#c63d43',
    950: '#000000',
  },
}

SCSS

$custom: #c63d43;
$custom-light: #df7b77;
$custom-dark: #000000;

JSON

{
  "hex": "#c63d43",
  "rgb": {
    "r": 198,
    "g": 61,
    "b": 67
  },
  "hsl": {
    "h": 357.372,
    "s": 54.582,
    "l": 50.784
  },
  "oklch": {
    "l": 0.56111,
    "c": 0.17322,
    "h": 22.4
  },
  "luminance": 0.15749
}

Semantic roles & 50–950 ramp

primary

#C63D43

secondary

#91CECB

accent

#DED74A

background

#FEF7F7

surface

#FDEEED

border

#D5C9C8

text

#170A08

muted

#857C7B

Preview Lab

Preview with #C63D43

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

Preview Lab → · Contrast checker → · Palette generator →