#C63C3E#C63C3E

#C63C3E is a mid, vivid red. Relative luminance 0.156; OKLCH L 55.9% C 0.175 H 24.1°. Best body text is #FFFFFF at 5.10:1 contrast (WCAG AA passes).

Color values

HEX	#C63C3E
RGB	rgb(198, 60, 62)
HSL	hsl(359, 55%, 51%)
HSV	hsv(359, 70%, 78%)
CMYK	cmyk(0%, 69.7%, 68.7%, 22.4%)
CIE-LAB	lab(46.43, 54.55, 30.66)
CIE-LCH	lch(46.43, 62.57, 29.34°)
OKLab	oklab(55.92% 0.1595 0.0712)
OKLCH	oklch(55.92% 0.175 24.1)
XYZ	xyz(25.7768, 15.5891, 6.2082)
Luminance	0.1558 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C63C3E #3CC6C4

analogous

#C63C83 #C63C3E #C67F3C

triadic

#C63C3E #3EC63C #3C3EC6

tetradic

#C63C3E #83C63C #3CC6C4 #7F3CC6

square

#C63C3E #83C63C #3CC6C4 #7F3CC6

split-complementary

#C63C3E #3CC67F #3C83C6

monochromatic

#691F20 #982D2E #C63C3E #D46B6D #E29B9C

Accessibility & contrast

On white

5.10

#C63C3E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.12

#C63C3E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C63C3E

5.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C63C3E	#FFFFFF	#000000	##FFFFFF
##C63C3E	1.00	5.10	4.12	5.10
#FFFFFF	5.10	1.00	21.00	1.00
#000000	4.12	21.00	1.00	21.00
##FFFFFF	5.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#635B3D

Deuteranopia (green-blind)

#85793A

Tritanopia (blue-blind)

#D90F3E

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #c63c3e;
/* rgb */ color: rgb(198, 60, 62);
/* oklch */ color: oklch(55.9% 0.175 24.1);

Tailwind

colors: {
  custom: {
    50: '#df7a73',
    500: '#c63c3e',
    950: '#000000',
  },
}

SCSS

$custom: #c63c3e;
$custom-light: #df7a73;
$custom-dark: #000000;

JSON

{
  "hex": "#c63c3e",
  "rgb": {
    "r": 198,
    "g": 60,
    "b": 62
  },
  "hsl": {
    "h": 359.13,
    "s": 54.762,
    "l": 50.588
  },
  "oklch": {
    "l": 0.55924,
    "c": 0.1747,
    "h": 24.1
  },
  "luminance": 0.15585
}

Semantic roles & 50–950 ramp

primary

#C63C3E

secondary

#90CECD

accent

#DEDC4A

background

#FEF7F7

surface

#FDEEED

border

#D5C9C8

text

#170A08

muted

#857C7B

Preview Lab

Preview with #C63C3E

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

Preview Lab → · Contrast checker → · Palette generator →