#CC3539#CC3539

#CC3539 is a mid, vivid red. Relative luminance 0.157; OKLCH L 56.2% C 0.188 H 24.4°. Best body text is #FFFFFF at 5.08:1 contrast (WCAG AA passes).

Color values

HEX	#CC3539
RGB	rgb(204, 53, 57)
HSL	hsl(358, 60%, 50%)
HSV	hsv(358, 74%, 80%)
CMYK	cmyk(0%, 74%, 72.1%, 20%)
CIE-LAB	lab(46.56, 58.71, 34.01)
CIE-LCH	lch(46.56, 67.85, 30.09°)
OKLab	oklab(56.2% 0.1709 0.0774)
OKLCH	oklch(56.2% 0.188 24.4)
XYZ	xyz(26.9165, 15.6831, 5.4800)
Luminance	0.1568 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CC3539 #35CCC8

analogous

#CC3584 #CC3539 #CC7D35

triadic

#CC3539 #39CC35 #3539CC

tetradic

#CC3539 #84CC35 #35CCC8 #7D35CC

square

#CC3539 #84CC35 #35CCC8 #7D35CC

split-complementary

#CC3539 #35CC7D #3584CC

monochromatic

#6B1B1D #9C272B #CC3539 #D86669 #E59799

Accessibility & contrast

On white

5.08

#CC3539 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.14

#CC3539 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #CC3539

5.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CC3539	#FFFFFF	#000000	##FFFFFF
##CC3539	1.00	5.08	4.14	5.08
#FFFFFF	5.08	1.00	21.00	1.00
#000000	4.14	21.00	1.00	21.00
##FFFFFF	5.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#625A38

Deuteranopia (green-blind)

#877A34

Tritanopia (blue-blind)

#E00038

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #cc3539;
/* rgb */ color: rgb(204, 53, 57);
/* oklch */ color: oklch(56.2% 0.188 24.4);

Tailwind

colors: {
  custom: {
    50: '#e4786f',
    500: '#cc3539',
    950: '#000000',
  },
}

SCSS

$custom: #cc3539;
$custom-light: #e4786f;
$custom-dark: #000000;

JSON

{
  "hex": "#cc3539",
  "rgb": {
    "r": 204,
    "g": 53,
    "b": 57
  },
  "hsl": {
    "h": 358.411,
    "s": 59.684,
    "l": 50.392
  },
  "oklch": {
    "l": 0.56197,
    "c": 0.18762,
    "h": 24.4
  },
  "luminance": 0.15679
}

Semantic roles & 50–950 ramp

primary

#CC3539

secondary

#8DD0CE

accent

#E3DF45

background

#FFF7F6

surface

#FFEEEC

border

#D7C9C7

text

#170A07

muted

#857C7A

Preview Lab

Preview with #CC3539

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

Preview Lab → · Contrast checker → · Palette generator →