#C63F29#C63F29

#C63F29 is a mid, vivid red. Relative luminance 0.157; OKLCH L 56.0% C 0.175 H 31.9°. Best body text is #FFFFFF at 5.07:1 contrast (WCAG AA passes).

Color values

HEX	#C63F29
RGB	rgb(198, 63, 41)
HSL	hsl(8, 66%, 47%)
HSV	hsv(8, 79%, 78%)
CMYK	cmyk(0%, 68.2%, 79.3%, 22.4%)
CIE-LAB	lab(46.61, 52.48, 42.64)
CIE-LCH	lch(46.61, 67.62, 39.10°)
OKLab	oklab(55.98% 0.1488 0.0925)
OKLCH	oklch(55.98% 0.175 31.9)
XYZ	xyz(25.4694, 15.7247, 3.7915)
Luminance	0.1572 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C63F29 #29B0C6

analogous

#C62961 #C63F29 #C68E29

triadic

#C63F29 #29C63F #3F29C6

tetradic

#C63F29 #61C629 #29B0C6 #8E29C6

square

#C63F29 #61C629 #29B0C6 #8E29C6

split-complementary

#C63F29 #29C68E #2961C6

monochromatic

#611F14 #932F1F #C63F29 #DB6551 #E69284

Accessibility & contrast

On white

5.07

#C63F29 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.14

#C63F29 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C63F29

5.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C63F29	#FFFFFF	#000000	##FFFFFF
##C63F29	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)

#665C25

Deuteranopia (green-blind)

#887923

Tritanopia (blue-blind)

#DA103B

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #c63f29;
/* rgb */ color: rgb(198, 63, 41);
/* oklch */ color: oklch(56.0% 0.175 31.9);

Tailwind

colors: {
  custom: {
    50: '#e07c65',
    500: '#c63f29',
    950: '#000000',
  },
}

SCSS

$custom: #c63f29;
$custom-light: #e07c65;
$custom-dark: #000000;

JSON

{
  "hex": "#c63f29",
  "rgb": {
    "r": 198,
    "g": 63,
    "b": 41
  },
  "hsl": {
    "h": 8.408,
    "s": 65.69,
    "l": 46.863
  },
  "oklch": {
    "l": 0.5598,
    "c": 0.1752,
    "h": 31.9
  },
  "luminance": 0.15721
}

Semantic roles & 50–950 ramp

primary

#C63F29

secondary

#7CC3CF

accent

#D1E93F

background

#FFF7F6

surface

#FEEEEB

border

#D6C9C6

text

#170A05

muted

#857C7A

Preview Lab

Preview with #C63F29

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

Preview Lab → · Contrast checker → · Palette generator →