#C63C36#C63C36

#C63C36 is a mid, vivid red. Relative luminance 0.155; OKLCH L 55.8% C 0.176 H 27.0°. Best body text is #FFFFFF at 5.12:1 contrast (WCAG AA passes).

Color values

HEX	#C63C36
RGB	rgb(198, 60, 54)
HSL	hsl(3, 57%, 49%)
HSV	hsv(3, 73%, 78%)
CMYK	cmyk(0%, 69.7%, 72.7%, 22.4%)
CIE-LAB	lab(46.32, 54.16, 35.19)
CIE-LCH	lch(46.32, 64.59, 33.01°)
OKLab	oklab(55.81% 0.1566 0.0797)
OKLCH	oklch(55.81% 0.176 27)
XYZ	xyz(25.5733, 15.5076, 5.1360)
Luminance	0.1550 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C63C36 #36C0C6

analogous

#C63678 #C63C36 #C68436

triadic

#C63C36 #36C63C #3C36C6

tetradic

#C63C36 #78C636 #36C0C6 #8436C6

square

#C63C36 #78C636 #36C0C6 #8436C6

split-complementary

#C63C36 #36C684 #3678C6

monochromatic

#661F1C #962D29 #C63C36 #D56964 #E29894

Accessibility & contrast

On white

5.12

#C63C36 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.10

#C63C36 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C63C36

5.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C63C36	#FFFFFF	#000000	##FFFFFF
##C63C36	1.00	5.12	4.10	5.12
#FFFFFF	5.12	1.00	21.00	1.00
#000000	4.10	21.00	1.00	21.00
##FFFFFF	5.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#635B34

Deuteranopia (green-blind)

#867931

Tritanopia (blue-blind)

#DA0B3C

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #c63c36;
/* rgb */ color: rgb(198, 60, 54);
/* oklch */ color: oklch(55.8% 0.176 27.0);

Tailwind

colors: {
  custom: {
    50: '#e07a6d',
    500: '#c63c36',
    950: '#000000',
  },
}

SCSS

$custom: #c63c36;
$custom-light: #e07a6d;
$custom-dark: #000000;

JSON

{
  "hex": "#c63c36",
  "rgb": {
    "r": 198,
    "g": 60,
    "b": 54
  },
  "hsl": {
    "h": 2.5,
    "s": 57.143,
    "l": 49.412
  },
  "oklch": {
    "l": 0.55808,
    "c": 0.17575,
    "h": 27
  },
  "luminance": 0.15504
}

Semantic roles & 50–950 ramp

primary

#C63C36

secondary

#8BCACD

accent

#DAE047

background

#FEF7F6

surface

#FDEEEB

border

#D5C9C6

text

#170A07

muted

#857C7A

Preview Lab

Preview with #C63C36

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

Preview Lab → · Contrast checker → · Palette generator →