#C63636#C63636

#C63636 is a mid, vivid red. Relative luminance 0.149; OKLCH L 55.2% C 0.181 H 25.4°. Best body text is #FFFFFF at 5.27:1 contrast (WCAG AA passes).

Color values

HEX	#C63636
RGB	rgb(198, 54, 54)
HSL	hsl(0, 57%, 49%)
HSV	hsv(0, 73%, 78%)
CMYK	cmyk(0%, 72.7%, 72.7%, 22.4%)
CIE-LAB	lab(45.52, 56.38, 34.27)
CIE-LCH	lch(45.52, 65.98, 31.29°)
OKLab	oklab(55.21% 0.1636 0.0777)
OKLCH	oklch(55.21% 0.181 25.4)
XYZ	xyz(25.2766, 14.9143, 5.0371)
Luminance	0.1491 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#C63636 #36C6C6

analogous

#C6367E #C63636 #C67E36

triadic

#C63636 #36C636 #3636C6

tetradic

#C63636 #7EC636 #36C6C6 #7E36C6

square

#C63636 #7EC636 #36C6C6 #7E36C6

split-complementary

#C63636 #36C67E #367EC6

monochromatic

#661C1C #962929 #C63636 #D56464 #E29494

Accessibility & contrast

On white

5.27

#C63636 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.98

#C63636 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #C63636

5.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##C63636	#FFFFFF	#000000	##FFFFFF
##C63636	1.00	5.27	3.98	5.27
#FFFFFF	5.27	1.00	21.00	1.00
#000000	3.98	21.00	1.00	21.00
##FFFFFF	5.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#605834

Deuteranopia (green-blind)

#847731

Tritanopia (blue-blind)

#DA0038

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #c63636;
/* rgb */ color: rgb(198, 54, 54);
/* oklch */ color: oklch(55.2% 0.181 25.4);

Tailwind

colors: {
  custom: {
    50: '#e0776d',
    500: '#c63636',
    950: '#000000',
  },
}

SCSS

$custom: #c63636;
$custom-light: #e0776d;
$custom-dark: #000000;

JSON

{
  "hex": "#c63636",
  "rgb": {
    "r": 198,
    "g": 54,
    "b": 54
  },
  "hsl": {
    "h": 0,
    "s": 57.143,
    "l": 49.412
  },
  "oklch": {
    "l": 0.55207,
    "c": 0.18115,
    "h": 25.4
  },
  "luminance": 0.1491
}

Semantic roles & 50–950 ramp

primary

#C63636

secondary

#8BCDCD

accent

#E0E047

background

#FFF7F6

surface

#FEEEEB

border

#D6C9C6

text

#170A07

muted

#857C7A

Preview Lab

Preview with #C63636

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

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