#CC3839#CC3839

#CC3839 is a mid, vivid red. Relative luminance 0.160; OKLCH L 56.5% C 0.185 H 25.1°. Best body text is #FFFFFF at 5.01:1 contrast (WCAG AA passes).

Color values

HEX	#CC3839
RGB	rgb(204, 56, 57)
HSL	hsl(360, 59%, 51%)
HSV	hsv(360, 73%, 80%)
CMYK	cmyk(0%, 72.5%, 72.1%, 20%)
CIE-LAB	lab(46.93, 57.67, 34.45)
CIE-LCH	lch(46.93, 67.18, 30.85°)
OKLab	oklab(56.47% 0.1676 0.0784)
OKLCH	oklch(56.47% 0.185 25.1)
XYZ	xyz(27.0576, 15.9652, 5.5270)
Luminance	0.1596 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CC3839 #38CCCB

analogous

#CC3883 #CC3839 #CC8138

triadic

#CC3839 #39CC38 #3839CC

tetradic

#CC3839 #83CC38 #38CCCB #8138CC

square

#CC3839 #83CC38 #38CCCB #8138CC

split-complementary

#CC3839 #38CC81 #3883CC

monochromatic

#6E1C1D #9E2929 #CC3839 #D86969 #E5999A

Accessibility & contrast

On white

5.01

#CC3839 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.19

#CC3839 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #CC3839

5.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CC3839	#FFFFFF	#000000	##FFFFFF
##CC3839	1.00	5.01	4.19	5.01
#FFFFFF	5.01	1.00	21.00	1.00
#000000	4.19	21.00	1.00	21.00
##FFFFFF	5.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#635B37

Deuteranopia (green-blind)

#887B34

Tritanopia (blue-blind)

#E0003A

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #cc3839;
/* rgb */ color: rgb(204, 56, 57);
/* oklch */ color: oklch(56.5% 0.185 25.1);

Tailwind

colors: {
  custom: {
    50: '#e4796f',
    500: '#cc3839',
    950: '#000000',
  },
}

SCSS

$custom: #cc3839;
$custom-light: #e4796f;
$custom-dark: #000000;

JSON

{
  "hex": "#cc3839",
  "rgb": {
    "r": 204,
    "g": 56,
    "b": 57
  },
  "hsl": {
    "h": 359.595,
    "s": 59.2,
    "l": 50.98
  },
  "oklch": {
    "l": 0.56475,
    "c": 0.18504,
    "h": 25.1
  },
  "luminance": 0.15961
}

Semantic roles & 50–950 ramp

primary

#CC3839

secondary

#8FD1D0

accent

#E2E145

background

#FFF7F6

surface

#FEEEEC

border

#D6C9C7

text

#170A07

muted

#857C7A

Preview Lab

Preview with #CC3839

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

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