#C63E3F#C63E3F

#C63E3F is a mid, vivid red. Relative luminance 0.158; OKLCH L 56.2% C 0.173 H 24.2°. Best body text is #FFFFFF at 5.05:1 contrast (WCAG AA passes).

Color values

HEX	#C63E3F
RGB	rgb(198, 62, 63)
HSL	hsl(360, 54%, 51%)
HSV	hsv(360, 69%, 78%)
CMYK	cmyk(0%, 68.7%, 68.2%, 22.4%)
CIE-LAB	lab(46.73, 53.82, 30.43)
CIE-LCH	lch(46.73, 61.83, 29.49°)
OKLab	oklab(56.15% 0.1574 0.0709)
OKLCH	oklch(56.15% 0.173 24.2)
XYZ	xyz(25.9113, 15.8137, 6.3896)
Luminance	0.1581 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C63E3F #3EC6C5

analogous

#C63E83 #C63E3F #C6813E

triadic

#C63E3F #3FC63E #3E3FC6

tetradic

#C63E3F #83C63E #3EC6C5 #813EC6

square

#C63E3F #83C63E #3EC6C5 #813EC6

split-complementary

#C63E3F #3EC681 #3E83C6

monochromatic

#6A1F20 #992D2E #C63E3F #D46D6E #E29C9D

Accessibility & contrast

On white

5.05

#C63E3F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.16

#C63E3F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C63E3F

5.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C63E3F	#FFFFFF	#000000	##FFFFFF
##C63E3F	1.00	5.05	4.16	5.05
#FFFFFF	5.05	1.00	21.00	1.00
#000000	4.16	21.00	1.00	21.00
##FFFFFF	5.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#645C3E

Deuteranopia (green-blind)

#867A3B

Tritanopia (blue-blind)

#D91640

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #c63e3f;
/* rgb */ color: rgb(198, 62, 63);
/* oklch */ color: oklch(56.2% 0.173 24.2);

Tailwind

colors: {
  custom: {
    50: '#df7c74',
    500: '#c63e3f',
    950: '#000000',
  },
}

SCSS

$custom: #c63e3f;
$custom-light: #df7c74;
$custom-dark: #000000;

JSON

{
  "hex": "#c63e3f",
  "rgb": {
    "r": 198,
    "g": 62,
    "b": 63
  },
  "hsl": {
    "h": 359.559,
    "s": 54.4,
    "l": 50.98
  },
  "oklch": {
    "l": 0.56152,
    "c": 0.17265,
    "h": 24.2
  },
  "luminance": 0.1581
}

Semantic roles & 50–950 ramp

primary

#C63E3F

secondary

#92CECE

accent

#DEDD4A

background

#FEF7F7

surface

#FDEEED

border

#D5C9C8

text

#170A08

muted

#857C7B

Preview Lab

Preview with #C63E3F

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

Preview Lab → · Contrast checker → · Palette generator →