#C63F2C#C63F2C

#C63F2C is a mid, vivid red. Relative luminance 0.157; OKLCH L 56.0% C 0.175 H 31.0°. Best body text is #FFFFFF at 5.06:1 contrast (WCAG AA passes).

Color values

HEX	#C63F2C
RGB	rgb(198, 63, 44)
HSL	hsl(7, 64%, 47%)
HSV	hsv(7, 78%, 78%)
CMYK	cmyk(0%, 68.2%, 77.8%, 22.4%)
CIE-LAB	lab(46.64, 52.58, 41.09)
CIE-LCH	lch(46.64, 66.73, 38.00°)
OKLab	oklab(56.01% 0.1497 0.0901)
OKLCH	oklch(56.01% 0.175 31)
XYZ	xyz(25.5237, 15.7464, 4.0778)
Luminance	0.1574 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C63F2C #2CB3C6

analogous

#C62C66 #C63F2C #C68C2C

triadic

#C63F2C #2CC63F #3F2CC6

tetradic

#C63F2C #66C62C #2CB3C6 #8C2CC6

square

#C63F2C #66C62C #2CB3C6 #8C2CC6

split-complementary

#C63F2C #2CC68C #2C66C6

monochromatic

#621F16 #942F21 #C63F2C #D96656 #E59388

Accessibility & contrast

On white

5.06

#C63F2C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.15

#C63F2C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C63F2C

5.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C63F2C	#FFFFFF	#000000	##FFFFFF
##C63F2C	1.00	5.06	4.15	5.06
#FFFFFF	5.06	1.00	21.00	1.00
#000000	4.15	21.00	1.00	21.00
##FFFFFF	5.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#665C29

Deuteranopia (green-blind)

#887927

Tritanopia (blue-blind)

#DA113C

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #c63f2c;
/* rgb */ color: rgb(198, 63, 44);
/* oklch */ color: oklch(56.0% 0.175 31.0);

Tailwind

colors: {
  custom: {
    50: '#e07c67',
    500: '#c63f2c',
    950: '#000000',
  },
}

SCSS

$custom: #c63f2c;
$custom-light: #e07c67;
$custom-dark: #000000;

JSON

{
  "hex": "#c63f2c",
  "rgb": {
    "r": 198,
    "g": 63,
    "b": 44
  },
  "hsl": {
    "h": 7.403,
    "s": 63.636,
    "l": 47.451
  },
  "oklch": {
    "l": 0.56011,
    "c": 0.17466,
    "h": 31
  },
  "luminance": 0.15743
}

Semantic roles & 50–950 ramp

primary

#C63F2C

secondary

#80C4CE

accent

#D2E741

background

#FFF7F6

surface

#FEEEEB

border

#D6C9C6

text

#170A06

muted

#857C7A

Preview Lab

Preview with #C63F2C

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

Preview Lab → · Contrast checker → · Palette generator →