#C63F38#C63F38

#C63F38 is a mid, vivid red. Relative luminance 0.158; OKLCH L 56.2% C 0.173 H 27.1°. Best body text is #FFFFFF at 5.04:1 contrast (WCAG AA passes).

Color values

HEX	#C63F38
RGB	rgb(198, 63, 56)
HSL	hsl(3, 56%, 50%)
HSV	hsv(3, 72%, 78%)
CMYK	cmyk(0%, 68.2%, 71.7%, 22.4%)
CIE-LAB	lab(46.78, 53.08, 34.56)
CIE-LCH	lch(46.78, 63.34, 33.07°)
OKLab	oklab(56.16% 0.1536 0.0788)
OKLCH	oklch(56.16% 0.173 27.1)
XYZ	xyz(25.7828, 15.8501, 5.4424)
Luminance	0.1585 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C63F38 #38BFC6

analogous

#C63878 #C63F38 #C68638

triadic

#C63F38 #38C63F #3F38C6

tetradic

#C63F38 #78C638 #38BFC6 #8638C6

square

#C63F38 #78C638 #38BFC6 #8638C6

split-complementary

#C63F38 #38C686 #3878C6

monochromatic

#67211D #96302B #C63F38 #D46D67 #E29B97

Accessibility & contrast

On white

5.04

#C63F38 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.17

#C63F38 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C63F38

5.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C63F38	#FFFFFF	#000000	##FFFFFF
##C63F38	1.00	5.04	4.17	5.04
#FFFFFF	5.04	1.00	21.00	1.00
#000000	4.17	21.00	1.00	21.00
##FFFFFF	5.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#655C36

Deuteranopia (green-blind)

#877A34

Tritanopia (blue-blind)

#DA163F

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #c63f38;
/* rgb */ color: rgb(198, 63, 56);
/* oklch */ color: oklch(56.2% 0.173 27.1);

Tailwind

colors: {
  custom: {
    50: '#df7c6f',
    500: '#c63f38',
    950: '#000000',
  },
}

SCSS

$custom: #c63f38;
$custom-light: #df7c6f;
$custom-dark: #000000;

JSON

{
  "hex": "#c63f38",
  "rgb": {
    "r": 198,
    "g": 63,
    "b": 56
  },
  "hsl": {
    "h": 2.958,
    "s": 55.906,
    "l": 49.804
  },
  "oklch": {
    "l": 0.56157,
    "c": 0.17265,
    "h": 27.1
  },
  "luminance": 0.15846
}

Semantic roles & 50–950 ramp

primary

#C63F38

secondary

#8DCACD

accent

#D8DF49

background

#FEF7F6

surface

#FDEEEC

border

#D5C9C7

text

#170A07

muted

#857C7A

Preview Lab

Preview with #C63F38

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

Preview Lab → · Contrast checker → · Palette generator →