#C63F43#C63F43

#C63F43 is a mid, vivid red. Relative luminance 0.160; OKLCH L 56.3% C 0.171 H 22.9°. Best body text is #FFFFFF at 5.01:1 contrast (WCAG AA passes).

Color values

HEX	#C63F43
RGB	rgb(198, 63, 67)
HSL	hsl(358, 54%, 51%)
HSV	hsv(358, 68%, 78%)
CMYK	cmyk(0%, 68.2%, 66.2%, 22.4%)
CIE-LAB	lab(46.93, 53.64, 28.32)
CIE-LCH	lch(46.93, 60.66, 27.83°)
OKLab	oklab(56.33% 0.1577 0.0667)
OKLCH	oklch(56.33% 0.171 22.9)
XYZ	xyz(26.0820, 15.9698, 7.0182)
Luminance	0.1597 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C63F43 #3FC6C2

analogous

#C63F86 #C63F43 #C67E3F

triadic

#C63F43 #43C63F #3F43C6

tetradic

#C63F43 #86C63F #3FC6C2 #7E3FC6

square

#C63F43 #86C63F #3FC6C2 #7E3FC6

split-complementary

#C63F43 #3FC67E #3F86C6

monochromatic

#6B2022 #9A2E31 #C63F43 #D46E71 #E29D9F

Accessibility & contrast

On white

5.01

#C63F43 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.19

#C63F43 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C63F43

5.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C63F43	#FFFFFF	#000000	##FFFFFF
##C63F43	1.00	5.01	4.19	5.01
#FFFFFF	5.01	1.00	21.00	1.00
#000000	4.19	21.00	1.00	21.00
##FFFFFF	5.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#645D42

Deuteranopia (green-blind)

#867A3F

Tritanopia (blue-blind)

#D91A42

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #c63f43;
/* rgb */ color: rgb(198, 63, 67);
/* oklch */ color: oklch(56.3% 0.171 22.9);

Tailwind

colors: {
  custom: {
    50: '#df7c77',
    500: '#c63f43',
    950: '#000000',
  },
}

SCSS

$custom: #c63f43;
$custom-light: #df7c77;
$custom-dark: #000000;

JSON

{
  "hex": "#c63f43",
  "rgb": {
    "r": 198,
    "g": 63,
    "b": 67
  },
  "hsl": {
    "h": 358.222,
    "s": 54.217,
    "l": 51.176
  },
  "oklch": {
    "l": 0.56326,
    "c": 0.17123,
    "h": 22.9
  },
  "luminance": 0.15966
}

Semantic roles & 50–950 ramp

primary

#C63F43

secondary

#93CECC

accent

#DED94A

background

#FEF7F7

surface

#FDEEED

border

#D5C9C8

text

#170A08

muted

#857C7B

Preview Lab

Preview with #C63F43

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

Preview Lab → · Contrast checker → · Palette generator →