#CC3636#CC3636

#CC3636 is a mid, vivid red. Relative luminance 0.157; OKLCH L 56.2% C 0.187 H 25.6°. Best body text is #FFFFFF at 5.06:1 contrast (WCAG AA passes).

Color values

HEX	#CC3636
RGB	rgb(204, 54, 54)
HSL	hsl(0, 60%, 51%)
HSV	hsv(0, 74%, 80%)
CMYK	cmyk(0%, 73.5%, 73.5%, 20%)
CIE-LAB	lab(46.64, 58.24, 35.85)
CIE-LCH	lch(46.64, 68.39, 31.61°)
OKLab	oklab(56.25% 0.1688 0.0808)
OKLCH	oklch(56.25% 0.187 25.6)
XYZ	xyz(26.8899, 15.7462, 5.1127)
Luminance	0.1574 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CC3636 #36CCCC

analogous

#CC3681 #CC3636 #CC8136

triadic

#CC3636 #36CC36 #3636CC

tetradic

#CC3636 #81CC36 #36CCCC #8136CC

square

#CC3636 #81CC36 #36CCCC #8136CC

split-complementary

#CC3636 #36CC81 #3681CC

monochromatic

#6C1B1B #9D2828 #CC3636 #D86767 #E59898

Accessibility & contrast

On white

5.06

#CC3636 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.15

#CC3636 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #CC3636

5.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CC3636	#FFFFFF	#000000	##FFFFFF
##CC3636	1.00	5.06	4.15	5.06
#FFFFFF	5.06	1.00	21.00	1.00
#000000	4.15	21.00	1.00	21.00
##FFFFFF	5.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#625A34

Deuteranopia (green-blind)

#887A31

Tritanopia (blue-blind)

#E00038

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #cc3636;
/* rgb */ color: rgb(204, 54, 54);
/* oklch */ color: oklch(56.2% 0.187 25.6);

Tailwind

colors: {
  custom: {
    50: '#e4786d',
    500: '#cc3636',
    950: '#000000',
  },
}

SCSS

$custom: #cc3636;
$custom-light: #e4786d;
$custom-dark: #000000;

JSON

{
  "hex": "#cc3636",
  "rgb": {
    "r": 204,
    "g": 54,
    "b": 54
  },
  "hsl": {
    "h": 0,
    "s": 59.524,
    "l": 50.588
  },
  "oklch": {
    "l": 0.56247,
    "c": 0.18712,
    "h": 25.6
  },
  "luminance": 0.15742
}

Semantic roles & 50–950 ramp

primary

#CC3636

secondary

#8ED0D0

accent

#E3E345

background

#FFF7F6

surface

#FFEEEB

border

#D7C9C6

text

#170A07

muted

#857C7A

Preview Lab

Preview with #CC3636

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

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