#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
RGBrgb(204, 54, 54)
HSLhsl(0, 60%, 51%)
HSVhsv(0, 74%, 80%)
CMYKcmyk(0%, 73.5%, 73.5%, 20%)
CIE-LABlab(46.64, 58.24, 35.85)
CIE-LCHlch(46.64, 68.39, 31.61°)
OKLaboklab(56.25% 0.1688 0.0808)
OKLCHoklch(56.25% 0.187 25.6)
XYZxyz(26.8899, 15.7462, 5.1127)
Luminance0.1574 (WCAG relative)
Temperaturewarm
Familyred

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
##CC36361.005.064.155.06
#FFFFFF5.061.0021.001.00
#0000004.1521.001.0021.00
##FFFFFF5.061.0021.001.00

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.

Preview Lab → · Contrast checker → · Palette generator →

#CC3636 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva