#C63E3E#C63E3E

#C63E3E is a mid, vivid red. Relative luminance 0.158; OKLCH L 56.1% C 0.173 H 24.6°. Best body text is #FFFFFF at 5.05:1 contrast (WCAG AA passes).

Color values

HEX	#C63E3E
RGB	rgb(198, 62, 62)
HSL	hsl(0, 54%, 51%)
HSV	hsv(0, 69%, 78%)
CMYK	cmyk(0%, 68.7%, 68.7%, 22.4%)
CIE-LAB	lab(46.71, 53.77, 31.00)
CIE-LCH	lch(46.71, 62.07, 29.97°)
OKLab	oklab(56.14% 0.1571 0.072)
OKLCH	oklch(56.14% 0.173 24.6)
XYZ	xyz(25.8836, 15.8026, 6.2438)
Luminance	0.1580 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C63E3E #3EC6C6

analogous

#C63E82 #C63E3E #C6823E

triadic

#C63E3E #3EC63E #3E3EC6

tetradic

#C63E3E #82C63E #3EC6C6 #823EC6

square

#C63E3E #82C63E #3EC6C6 #823EC6

split-complementary

#C63E3E #3EC682 #3E82C6

monochromatic

#6A1F1F #992D2D #C63E3E #D46D6D #E29C9C

Accessibility & contrast

On white

5.05

#C63E3E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.16

#C63E3E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C63E3E

5.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C63E3E	#FFFFFF	#000000	##FFFFFF
##C63E3E	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)

#645C3D

Deuteranopia (green-blind)

#86793A

Tritanopia (blue-blind)

#D91540

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #c63e3e;
/* rgb */ color: rgb(198, 62, 62);
/* oklch */ color: oklch(56.1% 0.173 24.6);

Tailwind

colors: {
  custom: {
    50: '#df7b73',
    500: '#c63e3e',
    950: '#000000',
  },
}

SCSS

$custom: #c63e3e;
$custom-light: #df7b73;
$custom-dark: #000000;

JSON

{
  "hex": "#c63e3e",
  "rgb": {
    "r": 198,
    "g": 62,
    "b": 62
  },
  "hsl": {
    "h": 0,
    "s": 54.4,
    "l": 50.98
  },
  "oklch": {
    "l": 0.56136,
    "c": 0.17277,
    "h": 24.6
  },
  "luminance": 0.15799
}

Semantic roles & 50–950 ramp

primary

#C63E3E

secondary

#92CECE

accent

#DEDE4A

background

#FEF7F7

surface

#FDEEED

border

#D5C9C8

text

#170A08

muted

#857C7B

Preview Lab

Preview with #C63E3E

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

Preview Lab → · Contrast checker → · Palette generator →