#C63C3D#C63C3D

#C63C3D is a mid, vivid red. Relative luminance 0.156; OKLCH L 55.9% C 0.175 H 24.4°. Best body text is #FFFFFF at 5.10:1 contrast (WCAG AA passes).

Color values

HEX	#C63C3D
RGB	rgb(198, 60, 61)
HSL	hsl(360, 55%, 51%)
HSV	hsv(360, 70%, 78%)
CMYK	cmyk(0%, 69.7%, 69.2%, 22.4%)
CIE-LAB	lab(46.42, 54.49, 31.23)
CIE-LCH	lch(46.42, 62.81, 29.82°)
OKLab	oklab(55.91% 0.1592 0.0723)
OKLCH	oklch(55.91% 0.175 24.4)
XYZ	xyz(25.7497, 15.5782, 6.0650)
Luminance	0.1557 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C63C3D #3CC6C5

analogous

#C63C82 #C63C3D #C6803C

triadic

#C63C3D #3DC63C #3C3DC6

tetradic

#C63C3D #82C63C #3CC6C5 #803CC6

square

#C63C3D #82C63C #3CC6C5 #803CC6

split-complementary

#C63C3D #3CC680 #3C82C6

monochromatic

#691F1F #982D2D #C63C3D #D46B6C #E29B9B

Accessibility & contrast

On white

5.10

#C63C3D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.11

#C63C3D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C63C3D

5.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C63C3D	#FFFFFF	#000000	##FFFFFF
##C63C3D	1.00	5.10	4.11	5.10
#FFFFFF	5.10	1.00	21.00	1.00
#000000	4.11	21.00	1.00	21.00
##FFFFFF	5.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#635B3C

Deuteranopia (green-blind)

#857939

Tritanopia (blue-blind)

#D90F3E

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #c63c3d;
/* rgb */ color: rgb(198, 60, 61);
/* oklch */ color: oklch(55.9% 0.175 24.4);

Tailwind

colors: {
  custom: {
    50: '#df7a72',
    500: '#c63c3d',
    950: '#000000',
  },
}

SCSS

$custom: #c63c3d;
$custom-light: #df7a72;
$custom-dark: #000000;

JSON

{
  "hex": "#c63c3d",
  "rgb": {
    "r": 198,
    "g": 60,
    "b": 61
  },
  "hsl": {
    "h": 359.565,
    "s": 54.762,
    "l": 50.588
  },
  "oklch": {
    "l": 0.55909,
    "c": 0.17482,
    "h": 24.4
  },
  "luminance": 0.15574
}

Semantic roles & 50–950 ramp

primary

#C63C3D

secondary

#90CECD

accent

#DEDD4A

background

#FEF7F6

surface

#FDEEEC

border

#D5C9C7

text

#170A08

muted

#857C7B

Preview Lab

Preview with #C63C3D

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

Preview Lab → · Contrast checker → · Palette generator →