#C63F44#C63F44

#C63F44 is a mid, vivid red. Relative luminance 0.160; OKLCH L 56.3% C 0.171 H 22.5°. Best body text is #FFFFFF at 5.01:1 contrast (WCAG AA passes).

Color values

HEX	#C63F44
RGB	rgb(198, 63, 68)
HSL	hsl(358, 54%, 51%)
HSV	hsv(358, 68%, 78%)
CMYK	cmyk(0%, 68.2%, 65.7%, 22.4%)
CIE-LAB	lab(46.95, 53.70, 27.74)
CIE-LCH	lch(46.95, 60.45, 27.32°)
OKLab	oklab(56.34% 0.1581 0.0656)
OKLCH	oklch(56.34% 0.171 22.5)
XYZ	xyz(26.1123, 15.9819, 7.1775)
Luminance	0.1598 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C63F44 #3FC6C1

analogous

#C63F87 #C63F44 #C67D3F

triadic

#C63F44 #44C63F #3F44C6

tetradic

#C63F44 #87C63F #3FC6C1 #7D3FC6

square

#C63F44 #87C63F #3FC6C1 #7D3FC6

split-complementary

#C63F44 #3FC67D #3F87C6

monochromatic

#6B2023 #9A2E32 #C63F44 #D46E72 #E29DA0

Accessibility & contrast

On white

5.01

#C63F44 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.20

#C63F44 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C63F44

5.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C63F44	#FFFFFF	#000000	##FFFFFF
##C63F44	1.00	5.01	4.20	5.01
#FFFFFF	5.01	1.00	21.00	1.00
#000000	4.20	21.00	1.00	21.00
##FFFFFF	5.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#645D43

Deuteranopia (green-blind)

#867A40

Tritanopia (blue-blind)

#D91A42

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #c63f44;
/* rgb */ color: rgb(198, 63, 68);
/* oklch */ color: oklch(56.3% 0.171 22.5);

Tailwind

colors: {
  custom: {
    50: '#df7c78',
    500: '#c63f44',
    950: '#000000',
  },
}

SCSS

$custom: #c63f44;
$custom-light: #df7c78;
$custom-dark: #000000;

JSON

{
  "hex": "#c63f44",
  "rgb": {
    "r": 198,
    "g": 63,
    "b": 68
  },
  "hsl": {
    "h": 357.778,
    "s": 54.217,
    "l": 51.176
  },
  "oklch": {
    "l": 0.56343,
    "c": 0.17113,
    "h": 22.5
  },
  "luminance": 0.15978
}

Semantic roles & 50–950 ramp

primary

#C63F44

secondary

#93CECC

accent

#DED84A

background

#FEF7F7

surface

#FDEEED

border

#D5C9C8

text

#170A08

muted

#857C7B

Preview Lab

Preview with #C63F44

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

Preview Lab → · Contrast checker → · Palette generator →