#CC4339#CC4339

#CC4339 is a mid, vivid red. Relative luminance 0.171; OKLCH L 57.6% C 0.175 H 28.0°. Best body text is #FFFFFF at 4.74:1 contrast (WCAG AA passes).

Color values

HEX	#CC4339
RGB	rgb(204, 67, 57)
HSL	hsl(4, 59%, 51%)
HSV	hsv(4, 72%, 80%)
CMYK	cmyk(0%, 67.2%, 72.1%, 20%)
CIE-LAB	lab(48.45, 53.50, 36.20)
CIE-LCH	lch(48.45, 64.60, 34.08°)
OKLab	oklab(57.61% 0.1545 0.0822)
OKLCH	oklch(57.61% 0.175 28)
XYZ	xyz(27.6505, 17.1511, 5.7246)
Luminance	0.1715 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CC4339 #39C2CC

analogous

#CC3978 #CC4339 #CC8C39

triadic

#CC4339 #39CC43 #4339CC

tetradic

#CC4339 #78CC39 #39C2CC #8C39CC

square

#CC4339 #78CC39 #39C2CC #8C39CC

split-complementary

#CC4339 #39CC8C #3978CC

monochromatic

#6E221C #9F3129 #CC4339 #D9716A #E59F9A

Accessibility & contrast

On white

4.74

#CC4339 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.43

#CC4339 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #CC4339

4.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CC4339	#FFFFFF	#000000	##FFFFFF
##CC4339	1.00	4.74	4.43	4.74
#FFFFFF	4.74	1.00	21.00	1.00
#000000	4.43	21.00	1.00	21.00
##FFFFFF	4.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#696037

Deuteranopia (green-blind)

#8C7E34

Tritanopia (blue-blind)

#E01B42

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #cc4339;
/* rgb */ color: rgb(204, 67, 57);
/* oklch */ color: oklch(57.6% 0.175 28.0);

Tailwind

colors: {
  custom: {
    50: '#e47f70',
    500: '#cc4339',
    950: '#000000',
  },
}

SCSS

$custom: #cc4339;
$custom-light: #e47f70;
$custom-dark: #000000;

JSON

{
  "hex": "#cc4339",
  "rgb": {
    "r": 204,
    "g": 67,
    "b": 57
  },
  "hsl": {
    "h": 4.082,
    "s": 59.036,
    "l": 51.176
  },
  "oklch": {
    "l": 0.57612,
    "c": 0.17498,
    "h": 28
  },
  "luminance": 0.17147
}

Semantic roles & 50–950 ramp

primary

#CC4339

secondary

#90CCD1

accent

#D8E246

background

#FFF8F6

surface

#FEEFEC

border

#D6CAC7

text

#170B07

muted

#857C7A

Preview Lab

Preview with #CC4339

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

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