#C63E33#C63E33

#C63E33 is a mid, vivid red. Relative luminance 0.157; OKLCH L 56.0% C 0.174 H 28.6°. Best body text is #FFFFFF at 5.07:1 contrast (WCAG AA passes).

Color values

HEX	#C63E33
RGB	rgb(198, 62, 51)
HSL	hsl(4, 59%, 49%)
HSV	hsv(4, 74%, 78%)
CMYK	cmyk(0%, 68.7%, 74.2%, 22.4%)
CIE-LAB	lab(46.57, 53.25, 37.17)
CIE-LCH	lch(46.57, 64.94, 34.91°)
OKLab	oklab(55.98% 0.1532 0.0834)
OKLCH	oklch(55.98% 0.174 28.6)
XYZ	xyz(25.6117, 15.6938, 4.8119)
Luminance	0.1569 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C63E33 #33BBC6

analogous

#C63372 #C63E33 #C68833

triadic

#C63E33 #33C63E #3E33C6

tetradic

#C63E33 #72C633 #33BBC6 #8833C6

square

#C63E33 #72C633 #33BBC6 #8833C6

split-complementary

#C63E33 #33C688 #3372C6

monochromatic

#65201A #952F26 #C63E33 #D66960 #E39791

Accessibility & contrast

On white

5.07

#C63E33 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.14

#C63E33 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C63E33

5.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C63E33	#FFFFFF	#000000	##FFFFFF
##C63E33	1.00	5.07	4.14	5.07
#FFFFFF	5.07	1.00	21.00	1.00
#000000	4.14	21.00	1.00	21.00
##FFFFFF	5.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#655C31

Deuteranopia (green-blind)

#87792E

Tritanopia (blue-blind)

#DA113D

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #c63e33;
/* rgb */ color: rgb(198, 62, 51);
/* oklch */ color: oklch(56.0% 0.174 28.6);

Tailwind

colors: {
  custom: {
    50: '#e07b6b',
    500: '#c63e33',
    950: '#000000',
  },
}

SCSS

$custom: #c63e33;
$custom-light: #e07b6b;
$custom-dark: #000000;

JSON

{
  "hex": "#c63e33",
  "rgb": {
    "r": 198,
    "g": 62,
    "b": 51
  },
  "hsl": {
    "h": 4.49,
    "s": 59.036,
    "l": 48.824
  },
  "oklch": {
    "l": 0.55982,
    "c": 0.17438,
    "h": 28.6
  },
  "luminance": 0.1569
}

Semantic roles & 50–950 ramp

primary

#C63E33

secondary

#87C8CD

accent

#D7E246

background

#FEF7F6

surface

#FDEEEB

border

#D5C9C6

text

#170A07

muted

#857C7A

Preview Lab

Preview with #C63E33

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

Preview Lab → · Contrast checker → · Palette generator →