#CC3537#CC3537

#CC3537 is a mid, vivid red. Relative luminance 0.157; OKLCH L 56.2% C 0.188 H 25.0°. Best body text is #FFFFFF at 5.08:1 contrast (WCAG AA passes).

Color values

HEX	#CC3537
RGB	rgb(204, 53, 55)
HSL	hsl(359, 60%, 50%)
HSV	hsv(359, 74%, 80%)
CMYK	cmyk(0%, 74%, 73%, 20%)
CIE-LAB	lab(46.53, 58.62, 35.14)
CIE-LCH	lch(46.53, 68.35, 30.94°)
OKLab	oklab(56.17% 0.1702 0.0795)
OKLCH	oklch(56.17% 0.188 25)
XYZ	xyz(26.8676, 15.6635, 5.2224)
Luminance	0.1566 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CC3537 #35CCCA

analogous

#CC3583 #CC3537 #CC7E35

triadic

#CC3537 #37CC35 #3537CC

tetradic

#CC3537 #83CC35 #35CCCA #7E35CC

square

#CC3537 #83CC35 #35CCCA #7E35CC

split-complementary

#CC3537 #35CC7E #3583CC

monochromatic

#6B1B1C #9C2729 #CC3537 #D86667 #E59798

Accessibility & contrast

On white

5.08

#CC3537 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.13

#CC3537 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #CC3537

5.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CC3537	#FFFFFF	#000000	##FFFFFF
##CC3537	1.00	5.08	4.13	5.08
#FFFFFF	5.08	1.00	21.00	1.00
#000000	4.13	21.00	1.00	21.00
##FFFFFF	5.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#625935

Deuteranopia (green-blind)

#877A32

Tritanopia (blue-blind)

#E00038

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #cc3537;
/* rgb */ color: rgb(204, 53, 55);
/* oklch */ color: oklch(56.2% 0.188 25.0);

Tailwind

colors: {
  custom: {
    50: '#e4786e',
    500: '#cc3537',
    950: '#000000',
  },
}

SCSS

$custom: #cc3537;
$custom-light: #e4786e;
$custom-dark: #000000;

JSON

{
  "hex": "#cc3537",
  "rgb": {
    "r": 204,
    "g": 53,
    "b": 55
  },
  "hsl": {
    "h": 359.205,
    "s": 59.684,
    "l": 50.392
  },
  "oklch": {
    "l": 0.5617,
    "c": 0.18785,
    "h": 25
  },
  "luminance": 0.15659
}

Semantic roles & 50–950 ramp

primary

#CC3537

secondary

#8DD0CF

accent

#E3E145

background

#FFF7F6

surface

#FFEEEC

border

#D7C9C7

text

#170A07

muted

#857C7A

Preview Lab

Preview with #CC3537

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

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