#CC3838#CC3838

#CC3838 is a mid, vivid red. Relative luminance 0.160; OKLCH L 56.5% C 0.185 H 25.4°. Best body text is #FFFFFF at 5.01:1 contrast (WCAG AA passes).

Color values

HEX	#CC3838
RGB	rgb(204, 56, 56)
HSL	hsl(0, 59%, 51%)
HSV	hsv(0, 73%, 80%)
CMYK	cmyk(0%, 72.5%, 72.5%, 20%)
CIE-LAB	lab(46.92, 57.63, 35.01)
CIE-LCH	lch(46.92, 67.43, 31.28°)
OKLab	oklab(56.46% 0.1673 0.0794)
OKLCH	oklch(56.46% 0.185 25.4)
XYZ	xyz(27.0329, 15.9554, 5.3969)
Luminance	0.1595 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CC3838 #38CCCC

analogous

#CC3882 #CC3838 #CC8238

triadic

#CC3838 #38CC38 #3838CC

tetradic

#CC3838 #82CC38 #38CCCC #8238CC

square

#CC3838 #82CC38 #38CCCC #8238CC

split-complementary

#CC3838 #38CC82 #3882CC

monochromatic

#6E1C1C #9E2929 #CC3838 #D86969 #E59999

Accessibility & contrast

On white

5.01

#CC3838 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.19

#CC3838 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #CC3838

5.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CC3838	#FFFFFF	#000000	##FFFFFF
##CC3838	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)

#635B36

Deuteranopia (green-blind)

#887B33

Tritanopia (blue-blind)

#E0003A

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #cc3838;
/* rgb */ color: rgb(204, 56, 56);
/* oklch */ color: oklch(56.5% 0.185 25.4);

Tailwind

colors: {
  custom: {
    50: '#e4796f',
    500: '#cc3838',
    950: '#000000',
  },
}

SCSS

$custom: #cc3838;
$custom-light: #e4796f;
$custom-dark: #000000;

JSON

{
  "hex": "#cc3838",
  "rgb": {
    "r": 204,
    "g": 56,
    "b": 56
  },
  "hsl": {
    "h": 0,
    "s": 59.2,
    "l": 50.98
  },
  "oklch": {
    "l": 0.56461,
    "c": 0.18516,
    "h": 25.4
  },
  "luminance": 0.15951
}

Semantic roles & 50–950 ramp

primary

#CC3838

secondary

#8FD1D1

accent

#E2E245

background

#FFF7F6

surface

#FEEEEC

border

#D6C9C7

text

#170A07

muted

#857C7A

Preview Lab

Preview with #CC3838

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

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