#C63D3A#C63D3A

#C63D3A is a mid, vivid red. Relative luminance 0.156; OKLCH L 56.0% C 0.174 H 25.8°. Best body text is #FFFFFF at 5.08:1 contrast (WCAG AA passes).

Color values

HEX	#C63D3A
RGB	rgb(198, 61, 58)
HSL	hsl(1, 55%, 50%)
HSV	hsv(1, 71%, 78%)
CMYK	cmyk(0%, 69.2%, 70.7%, 22.4%)
CIE-LAB	lab(46.52, 53.96, 33.10)
CIE-LCH	lch(46.52, 63.31, 31.53°)
OKLab	oklab(55.97% 0.1568 0.0759)
OKLCH	oklch(55.97% 0.174 25.8)
XYZ	xyz(25.7240, 15.6525, 5.6689)
Luminance	0.1565 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C63D3A #3AC3C6

analogous

#C63A7D #C63D3A #C6833A

triadic

#C63D3A #3AC63D #3D3AC6

tetradic

#C63D3A #7DC63A #3AC3C6 #833AC6

square

#C63D3A #7DC63A #3AC3C6 #833AC6

split-complementary

#C63D3A #3AC683 #3A7DC6

monochromatic

#68201E #972E2C #C63D3A #D46C69 #E19A99

Accessibility & contrast

On white

5.08

#C63D3A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.13

#C63D3A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C63D3A

5.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C63D3A	#FFFFFF	#000000	##FFFFFF
##C63D3A	1.00	5.08	4.13	5.08
#FFFFFF	5.08	1.00	21.00	1.00
#000000	4.13	21.00	1.00	21.00
##FFFFFF	5.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#645B38

Deuteranopia (green-blind)

#867936

Tritanopia (blue-blind)

#DA113E

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #c63d3a;
/* rgb */ color: rgb(198, 61, 58);
/* oklch */ color: oklch(56.0% 0.174 25.8);

Tailwind

colors: {
  custom: {
    50: '#df7b70',
    500: '#c63d3a',
    950: '#000000',
  },
}

SCSS

$custom: #c63d3a;
$custom-light: #df7b70;
$custom-dark: #000000;

JSON

{
  "hex": "#c63d3a",
  "rgb": {
    "r": 198,
    "g": 61,
    "b": 58
  },
  "hsl": {
    "h": 1.286,
    "s": 55.118,
    "l": 50.196
  },
  "oklch": {
    "l": 0.5597,
    "c": 0.17426,
    "h": 25.8
  },
  "luminance": 0.15649
}

Semantic roles & 50–950 ramp

primary

#C63D3A

secondary

#8FCCCD

accent

#DBDE49

background

#FEF7F6

surface

#FDEEEC

border

#D5C9C7

text

#170A07

muted

#857C7A

Preview Lab

Preview with #C63D3A

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

Preview Lab → · Contrast checker → · Palette generator →