#CC3333#CC3333

#CC3333 is a mid, vivid red. Relative luminance 0.154; OKLCH L 55.9% C 0.190 H 25.9°. Best body text is #FFFFFF at 5.14:1 contrast (WCAG AA passes).

Color values

HEX	#CC3333
RGB	rgb(204, 51, 51)
HSL	hsl(0, 60%, 50%)
HSV	hsv(0, 75%, 80%)
CMYK	cmyk(0%, 75%, 75%, 20%)
CIE-LAB	lab(46.24, 59.12, 37.12)
CIE-LCH	lch(46.24, 69.81, 32.12°)
OKLab	oklab(55.94% 0.1709 0.0829)
OKLCH	oklch(55.94% 0.19 25.9)
XYZ	xyz(26.6863, 15.4482, 4.7080)
Luminance	0.1544 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CC3333 #33CCCC

analogous

#CC3380 #CC3333 #CC8033

triadic

#CC3333 #33CC33 #3333CC

tetradic

#CC3333 #80CC33 #33CCCC #7F33CC

square

#CC3333 #80CC33 #33CCCC #7F33CC

split-complementary

#CC3333 #33CC80 #337FCC

monochromatic

#6A1B1B #9B2727 #CC3333 #D86464 #E49595

Accessibility & contrast

On white

5.14

#CC3333 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.09

#CC3333 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #CC3333

5.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CC3333	#FFFFFF	#000000	##FFFFFF
##CC3333	1.00	5.14	4.09	5.14
#FFFFFF	5.14	1.00	21.00	1.00
#000000	4.09	21.00	1.00	21.00
##FFFFFF	5.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#615831

Deuteranopia (green-blind)

#877A2D

Tritanopia (blue-blind)

#E10035

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #cc3333;
/* rgb */ color: rgb(204, 51, 51);
/* oklch */ color: oklch(55.9% 0.190 25.9);

Tailwind

colors: {
  custom: {
    50: '#e5776b',
    500: '#cc3333',
    950: '#000000',
  },
}

SCSS

$custom: #cc3333;
$custom-light: #e5776b;
$custom-dark: #000000;

JSON

{
  "hex": "#cc3333",
  "rgb": {
    "r": 204,
    "g": 51,
    "b": 51
  },
  "hsl": {
    "h": 0,
    "s": 60,
    "l": 50
  },
  "oklch": {
    "l": 0.5594,
    "c": 0.18996,
    "h": 25.9
  },
  "luminance": 0.15444
}

Semantic roles & 50–950 ramp

primary

#CC3333

secondary

#8BD0D0

accent

#E3E345

background

#FFF7F6

surface

#FFEEEB

border

#D7C9C6

text

#180A06

muted

#867C7A

Preview Lab

Preview with #CC3333

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

Preview Lab → · Contrast checker → · Palette generator →