#C63C41#C63C41

#C63C41 is a mid, vivid red. Relative luminance 0.156; OKLCH L 56.0% C 0.174 H 22.9°. Best body text is #FFFFFF at 5.09:1 contrast (WCAG AA passes).

Color values

HEX	#C63C41
RGB	rgb(198, 60, 65)
HSL	hsl(358, 55%, 51%)
HSV	hsv(358, 70%, 78%)
CMYK	cmyk(0%, 69.7%, 67.2%, 22.4%)
CIE-LAB	lab(46.48, 54.70, 28.94)
CIE-LCH	lch(46.48, 61.89, 27.88°)
OKLab	oklab(55.97% 0.1606 0.0678)
OKLCH	oklch(55.97% 0.174 22.9)
XYZ	xyz(25.8614, 15.6229, 6.6538)
Luminance	0.1562 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C63C41 #3CC6C1

analogous

#C63C86 #C63C41 #C67C3C

triadic

#C63C41 #41C63C #3C41C6

tetradic

#C63C41 #86C63C #3CC6C1 #7C3CC6

square

#C63C41 #86C63C #3CC6C1 #7C3CC6

split-complementary

#C63C41 #3CC67C #3C86C6

monochromatic

#691F21 #982D30 #C63C41 #D46B6F #E29B9D

Accessibility & contrast

On white

5.09

#C63C41 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.12

#C63C41 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C63C41

5.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C63C41	#FFFFFF	#000000	##FFFFFF
##C63C41	1.00	5.09	4.12	5.09
#FFFFFF	5.09	1.00	21.00	1.00
#000000	4.12	21.00	1.00	21.00
##FFFFFF	5.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#625B40

Deuteranopia (green-blind)

#85793D

Tritanopia (blue-blind)

#D9113F

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #c63c41;
/* rgb */ color: rgb(198, 60, 65);
/* oklch */ color: oklch(56.0% 0.174 22.9);

Tailwind

colors: {
  custom: {
    50: '#df7b75',
    500: '#c63c41',
    950: '#000000',
  },
}

SCSS

$custom: #c63c41;
$custom-light: #df7b75;
$custom-dark: #000000;

JSON

{
  "hex": "#c63c41",
  "rgb": {
    "r": 198,
    "g": 60,
    "b": 65
  },
  "hsl": {
    "h": 357.826,
    "s": 54.762,
    "l": 50.588
  },
  "oklch": {
    "l": 0.55973,
    "c": 0.17438,
    "h": 22.9
  },
  "luminance": 0.15619
}

Semantic roles & 50–950 ramp

primary

#C63C41

secondary

#90CECB

accent

#DED94A

background

#FEF7F7

surface

#FDEEED

border

#D5C9C8

text

#170A08

muted

#857C7B

Preview Lab

Preview with #C63C41

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

Preview Lab → · Contrast checker → · Palette generator →