#C63D2F#C63D2F

#C63D2F is a mid, vivid red. Relative luminance 0.155; OKLCH L 55.8% C 0.176 H 29.5°. Best body text is #FFFFFF at 5.11:1 contrast (WCAG AA passes).

Color values

HEX	#C63D2F
RGB	rgb(198, 61, 47)
HSL	hsl(6, 62%, 48%)
HSV	hsv(6, 76%, 78%)
CMYK	cmyk(0%, 69.2%, 76.3%, 22.4%)
CIE-LAB	lab(46.38, 53.48, 39.19)
CIE-LCH	lch(46.38, 66.30, 36.23°)
OKLab	oklab(55.83% 0.1531 0.0867)
OKLCH	oklch(55.83% 0.176 29.5)
XYZ	xyz(25.4734, 15.5523, 4.3494)
Luminance	0.1555 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C63D2F #2FB8C6

analogous

#C62F6C #C63D2F #C6882F

triadic

#C63D2F #2FC63D #3D2FC6

tetradic

#C63D2F #6CC62F #2FB8C6 #882FC6

square

#C63D2F #6CC62F #2FB8C6 #882FC6

split-complementary

#C63D2F #2FC688 #2F6CC6

monochromatic

#631F18 #952E23 #C63D2F #D8665A #E4948C

Accessibility & contrast

On white

5.11

#C63D2F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.11

#C63D2F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C63D2F

5.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C63D2F	#FFFFFF	#000000	##FFFFFF
##C63D2F	1.00	5.11	4.11	5.11
#FFFFFF	5.11	1.00	21.00	1.00
#000000	4.11	21.00	1.00	21.00
##FFFFFF	5.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#655B2C

Deuteranopia (green-blind)

#87792A

Tritanopia (blue-blind)

#DA0B3B

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #c63d2f;
/* rgb */ color: rgb(198, 61, 47);
/* oklch */ color: oklch(55.8% 0.176 29.5);

Tailwind

colors: {
  custom: {
    50: '#e07b68',
    500: '#c63d2f',
    950: '#000000',
  },
}

SCSS

$custom: #c63d2f;
$custom-light: #e07b68;
$custom-dark: #000000;

JSON

{
  "hex": "#c63d2f",
  "rgb": {
    "r": 198,
    "g": 61,
    "b": 47
  },
  "hsl": {
    "h": 5.563,
    "s": 61.633,
    "l": 48.039
  },
  "oklch": {
    "l": 0.55827,
    "c": 0.17594,
    "h": 29.5
  },
  "luminance": 0.15548
}

Semantic roles & 50–950 ramp

primary

#C63D2F

secondary

#83C7CE

accent

#D6E543

background

#FFF7F6

surface

#FEEEEB

border

#D6C9C6

text

#170A06

muted

#857C7A

Preview Lab

Preview with #C63D2F

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

Preview Lab → · Contrast checker → · Palette generator →