#C63A36#C63A36

#C63A36 is a mid, vivid red. Relative luminance 0.153; OKLCH L 55.6% C 0.178 H 26.4°. Best body text is #FFFFFF at 5.17:1 contrast (WCAG AA passes).

Color values

HEX	#C63A36
RGB	rgb(198, 58, 54)
HSL	hsl(2, 57%, 49%)
HSV	hsv(2, 73%, 78%)
CMYK	cmyk(0%, 70.7%, 72.7%, 22.4%)
CIE-LAB	lab(46.05, 54.92, 34.87)
CIE-LCH	lch(46.05, 65.06, 32.41°)
OKLab	oklab(55.6% 0.159 0.079)
OKLCH	oklch(55.6% 0.178 26.4)
XYZ	xyz(25.4705, 15.3020, 5.1017)
Luminance	0.1530 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C63A36 #36C2C6

analogous

#C6367A #C63A36 #C68236

triadic

#C63A36 #36C63A #3A36C6

tetradic

#C63A36 #7AC636 #36C2C6 #8236C6

square

#C63A36 #7AC636 #36C2C6 #8236C6

split-complementary

#C63A36 #36C682 #367AC6

monochromatic

#661E1C #962C29 #C63A36 #D56764 #E29794

Accessibility & contrast

On white

5.17

#C63A36 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.06

#C63A36 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C63A36

5.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C63A36	#FFFFFF	#000000	##FFFFFF
##C63A36	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)

#625A34

Deuteranopia (green-blind)

#857831

Tritanopia (blue-blind)

#DA023B

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #c63a36;
/* rgb */ color: rgb(198, 58, 54);
/* oklch */ color: oklch(55.6% 0.178 26.4);

Tailwind

colors: {
  custom: {
    50: '#e0796d',
    500: '#c63a36',
    950: '#000000',
  },
}

SCSS

$custom: #c63a36;
$custom-light: #e0796d;
$custom-dark: #000000;

JSON

{
  "hex": "#c63a36",
  "rgb": {
    "r": 198,
    "g": 58,
    "b": 54
  },
  "hsl": {
    "h": 1.667,
    "s": 57.143,
    "l": 49.412
  },
  "oklch": {
    "l": 0.55601,
    "c": 0.17758,
    "h": 26.4
  },
  "luminance": 0.15298
}

Semantic roles & 50–950 ramp

primary

#C63A36

secondary

#8BCBCD

accent

#DCE047

background

#FEF7F6

surface

#FDEEEB

border

#D5C9C6

text

#170A07

muted

#857C7A

Preview Lab

Preview with #C63A36

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

Preview Lab → · Contrast checker → · Palette generator →