#C63A4B#C63A4B

#C63A4B is a mid, vivid red. Relative luminance 0.155; OKLCH L 55.9% C 0.176 H 18.3°. Best body text is #FFFFFF at 5.11:1 contrast (WCAG AA passes).

Color values

HEX	#C63A4B
RGB	rgb(198, 58, 75)
HSL	hsl(353, 55%, 50%)
HSV	hsv(353, 71%, 78%)
CMYK	cmyk(0%, 70.7%, 62.1%, 22.4%)
CIE-LAB	lab(46.37, 56.05, 22.79)
CIE-LCH	lch(46.37, 60.51, 22.13°)
OKLab	oklab(55.95% 0.1669 0.0551)
OKLCH	oklch(55.95% 0.176 18.3)
XYZ	xyz(26.0744, 15.5436, 8.2825)
Luminance	0.1554 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C63A4B #3AC6B5

analogous

#C63A91 #C63A4B #C66F3A

triadic

#C63A4B #4BC63A #3A4BC6

tetradic

#C63A4B #91C63A #3AC6B5 #6F3AC6

square

#C63A4B #91C63A #3AC6B5 #6F3AC6

split-complementary

#C63A4B #3AC66F #3A91C6

monochromatic

#681E27 #972C39 #C63A4B #D46976 #E199A2

Accessibility & contrast

On white

5.11

#C63A4B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.11

#C63A4B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C63A4B

5.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C63A4B	#FFFFFF	#000000	##FFFFFF
##C63A4B	1.00	5.11	4.11	5.11
#FFFFFF	5.11	1.00	21.00	1.00
#000000	4.11	21.00	1.00	21.00
##FFFFFF	5.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#605B4B

Deuteranopia (green-blind)

#837947

Tritanopia (blue-blind)

#D91141

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #c63a4b;
/* rgb */ color: rgb(198, 58, 75);
/* oklch */ color: oklch(55.9% 0.176 18.3);

Tailwind

colors: {
  custom: {
    50: '#de7a7d',
    500: '#c63a4b',
    950: '#000000',
  },
}

SCSS

$custom: #c63a4b;
$custom-light: #de7a7d;
$custom-dark: #000000;

JSON

{
  "hex": "#c63a4b",
  "rgb": {
    "r": 198,
    "g": 58,
    "b": 75
  },
  "hsl": {
    "h": 352.714,
    "s": 55.118,
    "l": 50.196
  },
  "oklch": {
    "l": 0.55948,
    "c": 0.17575,
    "h": 18.3
  },
  "luminance": 0.1554
}

Semantic roles & 50–950 ramp

primary

#C63A4B

secondary

#8FCDC6

accent

#DECC49

background

#FEF7F7

surface

#FDEEEE

border

#D5C9C9

text

#160A09

muted

#847C7B

Preview Lab

Preview with #C63A4B

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

Preview Lab → · Contrast checker → · Palette generator →