#C63A45#C63A45

#C63A45 is a mid, vivid red. Relative luminance 0.155; OKLCH L 55.8% C 0.176 H 20.8°. Best body text is #FFFFFF at 5.13:1 contrast (WCAG AA passes).

Color values

HEX	#C63A45
RGB	rgb(198, 58, 69)
HSL	hsl(355, 55%, 50%)
HSV	hsv(355, 71%, 78%)
CMYK	cmyk(0%, 70.7%, 65.2%, 22.4%)
CIE-LAB	lab(46.27, 55.69, 26.28)
CIE-LCH	lch(46.27, 61.58, 25.27°)
OKLab	oklab(55.84% 0.1646 0.0624)
OKLCH	oklch(55.84% 0.176 20.8)
XYZ	xyz(25.8786, 15.4653, 7.2515)
Luminance	0.1546 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C63A45 #3AC6BB

analogous

#C63A8B #C63A45 #C6753A

triadic

#C63A45 #45C63A #3A45C6

tetradic

#C63A45 #8BC63A #3AC6BB #753AC6

square

#C63A45 #8BC63A #3AC6BB #753AC6

split-complementary

#C63A45 #3AC675 #3A8BC6

monochromatic

#681E24 #972C34 #C63A45 #D46972 #E1999F

Accessibility & contrast

On white

5.13

#C63A45 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.09

#C63A45 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C63A45

5.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C63A45	#FFFFFF	#000000	##FFFFFF
##C63A45	1.00	5.13	4.09	5.13
#FFFFFF	5.13	1.00	21.00	1.00
#000000	4.09	21.00	1.00	21.00
##FFFFFF	5.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#615B44

Deuteranopia (green-blind)

#847841

Tritanopia (blue-blind)

#D90D3F

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #c63a45;
/* rgb */ color: rgb(198, 58, 69);
/* oklch */ color: oklch(55.8% 0.176 20.8);

Tailwind

colors: {
  custom: {
    50: '#df7a78',
    500: '#c63a45',
    950: '#000000',
  },
}

SCSS

$custom: #c63a45;
$custom-light: #df7a78;
$custom-dark: #000000;

JSON

{
  "hex": "#c63a45",
  "rgb": {
    "r": 198,
    "g": 58,
    "b": 69
  },
  "hsl": {
    "h": 355.286,
    "s": 55.118,
    "l": 50.196
  },
  "oklch": {
    "l": 0.55836,
    "c": 0.17601,
    "h": 20.8
  },
  "luminance": 0.15462
}

Semantic roles & 50–950 ramp

primary

#C63A45

secondary

#8FCDC8

accent

#DED349

background

#FEF7F7

surface

#FDEEED

border

#D5C9C8

text

#170A09

muted

#857C7B

Preview Lab

Preview with #C63A45

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

Preview Lab → · Contrast checker → · Palette generator →