#C63E31#C63E31

#C63E31 is a mid, vivid red. Relative luminance 0.157; OKLCH L 56.0% C 0.175 H 29.2°. Best body text is #FFFFFF at 5.08:1 contrast (WCAG AA passes).

Color values

HEX	#C63E31
RGB	rgb(198, 62, 49)
HSL	hsl(5, 60%, 48%)
HSV	hsv(5, 75%, 78%)
CMYK	cmyk(0%, 68.7%, 75.3%, 22.4%)
CIE-LAB	lab(46.55, 53.17, 38.26)
CIE-LCH	lch(46.55, 65.50, 35.74°)
OKLab	oklab(55.96% 0.1525 0.0853)
OKLCH	oklch(55.96% 0.175 29.2)
XYZ	xyz(25.5686, 15.6766, 4.5847)
Luminance	0.1567 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C63E31 #31B9C6

analogous

#C6316E #C63E31 #C68831

triadic

#C63E31 #31C63E #3E31C6

tetradic

#C63E31 #6EC631 #31B9C6 #8831C6

square

#C63E31 #6EC631 #31B9C6 #8831C6

split-complementary

#C63E31 #31C688 #316EC6

monochromatic

#641F19 #952F25 #C63E31 #D7685D #E3968E

Accessibility & contrast

On white

5.08

#C63E31 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.13

#C63E31 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C63E31

5.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C63E31	#FFFFFF	#000000	##FFFFFF
##C63E31	1.00	5.08	4.13	5.08
#FFFFFF	5.08	1.00	21.00	1.00
#000000	4.13	21.00	1.00	21.00
##FFFFFF	5.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#655B2E

Deuteranopia (green-blind)

#87792C

Tritanopia (blue-blind)

#DA103C

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #c63e31;
/* rgb */ color: rgb(198, 62, 49);
/* oklch */ color: oklch(56.0% 0.175 29.2);

Tailwind

colors: {
  custom: {
    50: '#e07b6a',
    500: '#c63e31',
    950: '#000000',
  },
}

SCSS

$custom: #c63e31;
$custom-light: #e07b6a;
$custom-dark: #000000;

JSON

{
  "hex": "#c63e31",
  "rgb": {
    "r": 198,
    "g": 62,
    "b": 49
  },
  "hsl": {
    "h": 5.235,
    "s": 60.324,
    "l": 48.431
  },
  "oklch": {
    "l": 0.55958,
    "c": 0.1747,
    "h": 29.2
  },
  "luminance": 0.15673
}

Semantic roles & 50–950 ramp

primary

#C63E31

secondary

#85C7CE

accent

#D6E344

background

#FFF7F6

surface

#FEEEEB

border

#D6C9C6

text

#170A06

muted

#857C7A

Preview Lab

Preview with #C63E31

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

Preview Lab → · Contrast checker → · Palette generator →