#C63B4B#C63B4B

#C63B4B is a mid, vivid red. Relative luminance 0.156; OKLCH L 56.0% C 0.175 H 18.5°. Best body text is #FFFFFF at 5.09:1 contrast (WCAG AA passes).

Color values

HEX	#C63B4B
RGB	rgb(198, 59, 75)
HSL	hsl(353, 55%, 50%)
HSV	hsv(353, 70%, 78%)
CMYK	cmyk(0%, 70.2%, 62.1%, 22.4%)
CIE-LAB	lab(46.51, 55.67, 22.97)
CIE-LCH	lch(46.51, 60.23, 22.42°)
OKLab	oklab(56.05% 0.1657 0.0555)
OKLCH	oklch(56.05% 0.175 18.5)
XYZ	xyz(26.1253, 15.6454, 8.2994)
Luminance	0.1564 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C63B4B #3BC6B6

analogous

#C63B90 #C63B4B #C6713B

triadic

#C63B4B #4BC63B #3B4BC6

tetradic

#C63B4B #90C63B #3BC6B6 #713BC6

square

#C63B4B #90C63B #3BC6B6 #713BC6

split-complementary

#C63B4B #3BC671 #3B90C6

monochromatic

#681E27 #982C38 #C63B4B #D46A77 #E29AA2

Accessibility & contrast

On white

5.09

#C63B4B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.13

#C63B4B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C63B4B

5.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C63B4B	#FFFFFF	#000000	##FFFFFF
##C63B4B	1.00	5.09	4.13	5.09
#FFFFFF	5.09	1.00	21.00	1.00
#000000	4.13	21.00	1.00	21.00
##FFFFFF	5.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#605C4B

Deuteranopia (green-blind)

#847947

Tritanopia (blue-blind)

#D91442

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #c63b4b;
/* rgb */ color: rgb(198, 59, 75);
/* oklch */ color: oklch(56.0% 0.175 18.5);

Tailwind

colors: {
  custom: {
    50: '#de7a7d',
    500: '#c63b4b',
    950: '#000000',
  },
}

SCSS

$custom: #c63b4b;
$custom-light: #de7a7d;
$custom-dark: #000000;

JSON

{
  "hex": "#c63b4b",
  "rgb": {
    "r": 198,
    "g": 59,
    "b": 75
  },
  "hsl": {
    "h": 353.094,
    "s": 54.941,
    "l": 50.392
  },
  "oklch": {
    "l": 0.56049,
    "c": 0.17474,
    "h": 18.5
  },
  "luminance": 0.15642
}

Semantic roles & 50–950 ramp

primary

#C63B4B

secondary

#8FCDC6

accent

#DECD4A

background

#FEF7F7

surface

#FDEEEE

border

#D5C9C9

text

#160A09

muted

#847C7B

Preview Lab

Preview with #C63B4B

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

Preview Lab → · Contrast checker → · Palette generator →