#C63C3A#C63C3A

#C63C3A is a mid, vivid red. Relative luminance 0.155; OKLCH L 55.9% C 0.175 H 25.6°. Best body text is #FFFFFF at 5.11:1 contrast (WCAG AA passes).

Color values

HEX	#C63C3A
RGB	rgb(198, 60, 58)
HSL	hsl(1, 55%, 50%)
HSV	hsv(1, 71%, 78%)
CMYK	cmyk(0%, 69.7%, 70.7%, 22.4%)
CIE-LAB	lab(46.37, 54.35, 32.94)
CIE-LCH	lch(46.37, 63.55, 31.22°)
OKLab	oklab(55.86% 0.1581 0.0756)
OKLCH	oklch(55.86% 0.175 25.6)
XYZ	xyz(25.6711, 15.5468, 5.6513)
Luminance	0.1554 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C63C3A #3AC4C6

analogous

#C63A7E #C63C3A #C6823A

triadic

#C63C3A #3AC63C #3C3AC6

tetradic

#C63C3A #7EC63A #3AC4C6 #823AC6

square

#C63C3A #7EC63A #3AC4C6 #823AC6

split-complementary

#C63C3A #3AC682 #3A7EC6

monochromatic

#681F1E #972D2C #C63C3A #D46B69 #E19A99

Accessibility & contrast

On white

5.11

#C63C3A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.11

#C63C3A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C63C3A

5.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C63C3A	#FFFFFF	#000000	##FFFFFF
##C63C3A	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)

#635B38

Deuteranopia (green-blind)

#867936

Tritanopia (blue-blind)

#DA0D3D

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #c63c3a;
/* rgb */ color: rgb(198, 60, 58);
/* oklch */ color: oklch(55.9% 0.175 25.6);

Tailwind

colors: {
  custom: {
    50: '#df7a70',
    500: '#c63c3a',
    950: '#000000',
  },
}

SCSS

$custom: #c63c3a;
$custom-light: #df7a70;
$custom-dark: #000000;

JSON

{
  "hex": "#c63c3a",
  "rgb": {
    "r": 198,
    "g": 60,
    "b": 58
  },
  "hsl": {
    "h": 0.857,
    "s": 55.118,
    "l": 50.196
  },
  "oklch": {
    "l": 0.55864,
    "c": 0.1752,
    "h": 25.6
  },
  "luminance": 0.15543
}

Semantic roles & 50–950 ramp

primary

#C63C3A

secondary

#8FCCCD

accent

#DCDE49

background

#FEF7F6

surface

#FDEEEC

border

#D5C9C7

text

#170A07

muted

#857C7A

Preview Lab

Preview with #C63C3A

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

Preview Lab → · Contrast checker → · Palette generator →