#CC3339#CC3339

#CC3339 is a mid, vivid red. Relative luminance 0.155; OKLCH L 56.0% C 0.189 H 23.9°. Best body text is #FFFFFF at 5.12:1 contrast (WCAG AA passes).

Color values

HEX	#CC3339
RGB	rgb(204, 51, 57)
HSL	hsl(358, 60%, 50%)
HSV	hsv(358, 75%, 80%)
CMYK	cmyk(0%, 75%, 72.1%, 20%)
CIE-LAB	lab(46.32, 59.37, 33.74)
CIE-LCH	lch(46.32, 68.29, 29.61°)
OKLab	oklab(56.02% 0.173 0.0768)
OKLCH	oklch(56.02% 0.189 23.9)
XYZ	xyz(26.8273, 15.5046, 5.4502)
Luminance	0.1550 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CC3339 #33CCC6

analogous

#CC3386 #CC3339 #CC7933

triadic

#CC3339 #39CC33 #3339CC

tetradic

#CC3339 #86CC33 #33CCC6 #7933CC

square

#CC3339 #86CC33 #33CCC6 #7933CC

split-complementary

#CC3339 #33CC79 #3386CC

monochromatic

#6A1B1E #9B272B #CC3339 #D86469 #E49598

Accessibility & contrast

On white

5.12

#CC3339 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.10

#CC3339 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #CC3339

5.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CC3339	#FFFFFF	#000000	##FFFFFF
##CC3339	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)

#615938

Deuteranopia (green-blind)

#877A34

Tritanopia (blue-blind)

#E00037

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #cc3339;
/* rgb */ color: rgb(204, 51, 57);
/* oklch */ color: oklch(56.0% 0.189 23.9);

Tailwind

colors: {
  custom: {
    50: '#e4776f',
    500: '#cc3339',
    950: '#000000',
  },
}

SCSS

$custom: #cc3339;
$custom-light: #e4776f;
$custom-dark: #000000;

JSON

{
  "hex": "#cc3339",
  "rgb": {
    "r": 204,
    "g": 51,
    "b": 57
  },
  "hsl": {
    "h": 357.647,
    "s": 60,
    "l": 50
  },
  "oklch": {
    "l": 0.5602,
    "c": 0.1893,
    "h": 23.9
  },
  "luminance": 0.155
}

Semantic roles & 50–950 ramp

primary

#CC3339

secondary

#8BD0CD

accent

#E3DD45

background

#FFF7F6

surface

#FFEEEC

border

#D7C9C7

text

#170A07

muted

#857C7A

Preview Lab

Preview with #CC3339

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

Preview Lab → · Contrast checker → · Palette generator →