#C63F3E#C63F3E

#C63F3E is a mid, vivid red. Relative luminance 0.159; OKLCH L 56.2% C 0.172 H 24.9°. Best body text is #FFFFFF at 5.02:1 contrast (WCAG AA passes).

Color values

HEX	#C63F3E
RGB	rgb(198, 63, 62)
HSL	hsl(0, 54%, 51%)
HSV	hsv(0, 69%, 78%)
CMYK	cmyk(0%, 68.2%, 68.7%, 22.4%)
CIE-LAB	lab(46.86, 53.37, 31.18)
CIE-LCH	lch(46.86, 61.81, 30.29°)
OKLab	oklab(56.25% 0.1558 0.0724)
OKLCH	oklch(56.25% 0.172 24.9)
XYZ	xyz(25.9385, 15.9123, 6.2621)
Luminance	0.1591 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C63F3E #3EC5C6

analogous

#C63E81 #C63F3E #C6833E

triadic

#C63F3E #3EC63F #3F3EC6

tetradic

#C63F3E #81C63E #3EC5C6 #833EC6

square

#C63F3E #81C63E #3EC5C6 #833EC6

split-complementary

#C63F3E #3EC683 #3E81C6

monochromatic

#6A201F #992E2D #C63F3E #D46E6D #E29D9C

Accessibility & contrast

On white

5.02

#C63F3E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.18

#C63F3E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C63F3E

5.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C63F3E	#FFFFFF	#000000	##FFFFFF
##C63F3E	1.00	5.02	4.18	5.02
#FFFFFF	5.02	1.00	21.00	1.00
#000000	4.18	21.00	1.00	21.00
##FFFFFF	5.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#645D3D

Deuteranopia (green-blind)

#867A3A

Tritanopia (blue-blind)

#D91840

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #c63f3e;
/* rgb */ color: rgb(198, 63, 62);
/* oklch */ color: oklch(56.2% 0.172 24.9);

Tailwind

colors: {
  custom: {
    50: '#df7c73',
    500: '#c63f3e',
    950: '#000000',
  },
}

SCSS

$custom: #c63f3e;
$custom-light: #df7c73;
$custom-dark: #000000;

JSON

{
  "hex": "#c63f3e",
  "rgb": {
    "r": 198,
    "g": 63,
    "b": 62
  },
  "hsl": {
    "h": 0.441,
    "s": 54.4,
    "l": 50.98
  },
  "oklch": {
    "l": 0.56245,
    "c": 0.1718,
    "h": 24.9
  },
  "luminance": 0.15909
}

Semantic roles & 50–950 ramp

primary

#C63F3E

secondary

#92CECE

accent

#DDDE4A

background

#FEF7F7

surface

#FDEEED

border

#D5C9C8

text

#170A08

muted

#857C7B

Preview Lab

Preview with #C63F3E

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

Preview Lab → · Contrast checker → · Palette generator →