#C63B29#C63B29

#C63B29 is a mid, vivid red. Relative luminance 0.153; OKLCH L 55.6% C 0.179 H 30.7°. Best body text is #FFFFFF at 5.17:1 contrast (WCAG AA passes).

Color values

HEX	#C63B29
RGB	rgb(198, 59, 41)
HSL	hsl(7, 66%, 47%)
HSV	hsv(7, 79%, 78%)
CMYK	cmyk(0%, 70.2%, 79.3%, 22.4%)
CIE-LAB	lab(46.04, 54.04, 42.07)
CIE-LCH	lch(46.04, 68.48, 37.90°)
OKLab	oklab(55.55% 0.1536 0.0913)
OKLCH	oklch(55.55% 0.179 30.7)
XYZ	xyz(25.2558, 15.2976, 3.7203)
Luminance	0.1529 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C63B29 #29B4C6

analogous

#C62966 #C63B29 #C68A29

triadic

#C63B29 #29C63B #3B29C6

tetradic

#C63B29 #66C629 #29B4C6 #8A29C6

square

#C63B29 #66C629 #29B4C6 #8A29C6

split-complementary

#C63B29 #29C68A #2966C6

monochromatic

#611D14 #932C1F #C63B29 #DB6151 #E68F84

Accessibility & contrast

On white

5.17

#C63B29 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.06

#C63B29 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C63B29

5.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C63B29	#FFFFFF	#000000	##FFFFFF
##C63B29	1.00	5.17	4.06	5.17
#FFFFFF	5.17	1.00	21.00	1.00
#000000	4.06	21.00	1.00	21.00
##FFFFFF	5.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#645A26

Deuteranopia (green-blind)

#867823

Tritanopia (blue-blind)

#DA0038

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #c63b29;
/* rgb */ color: rgb(198, 59, 41);
/* oklch */ color: oklch(55.6% 0.179 30.7);

Tailwind

colors: {
  custom: {
    50: '#e07a64',
    500: '#c63b29',
    950: '#000000',
  },
}

SCSS

$custom: #c63b29;
$custom-light: #e07a64;
$custom-dark: #000000;

JSON

{
  "hex": "#c63b29",
  "rgb": {
    "r": 198,
    "g": 59,
    "b": 41
  },
  "hsl": {
    "h": 6.879,
    "s": 65.69,
    "l": 46.863
  },
  "oklch": {
    "l": 0.55551,
    "c": 0.1787,
    "h": 30.7
  },
  "luminance": 0.15294
}

Semantic roles & 50–950 ramp

primary

#C63B29

secondary

#7CC5CF

accent

#D5E93F

background

#FFF7F6

surface

#FEEEEB

border

#D6C9C6

text

#170A05

muted

#857C7A

Preview Lab

Preview with #C63B29

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

Preview Lab → · Contrast checker → · Palette generator →