#CC3428#CC3428

#CC3428 is a mid, vivid red. Relative luminance 0.154; OKLCH L 55.9% C 0.191 H 29.1°. Best body text is #FFFFFF at 5.14:1 contrast (WCAG AA passes).

Color values

HEX	#CC3428
RGB	rgb(204, 52, 40)
HSL	hsl(4, 67%, 48%)
HSV	hsv(4, 80%, 80%)
CMYK	cmyk(0%, 74.5%, 80.4%, 20%)
CIE-LAB	lab(46.25, 58.41, 43.17)
CIE-LCH	lch(46.25, 72.63, 36.47°)
OKLab	oklab(55.91% 0.1665 0.0928)
OKLCH	oklch(55.91% 0.191 29.1)
XYZ	xyz(26.5160, 15.4507, 3.5932)
Luminance	0.1545 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CC3428 #28C0CC

analogous

#CC286E #CC3428 #CC8628

triadic

#CC3428 #28CC34 #3428CC

tetradic

#CC3428 #6ECC28 #28C0CC #8628CC

square

#CC3428 #6ECC28 #28C0CC #8628CC

split-complementary

#CC3428 #28CC86 #286ECC

monochromatic

#661A14 #99271E #CC3428 #DD5E54 #E78E87

Accessibility & contrast

On white

5.14

#CC3428 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.09

#CC3428 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #CC3428

5.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CC3428	#FFFFFF	#000000	##FFFFFF
##CC3428	1.00	5.14	4.09	5.14
#FFFFFF	5.14	1.00	21.00	1.00
#000000	4.09	21.00	1.00	21.00
##FFFFFF	5.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#635825

Deuteranopia (green-blind)

#887A21

Tritanopia (blue-blind)

#E10033

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #cc3428;
/* rgb */ color: rgb(204, 52, 40);
/* oklch */ color: oklch(55.9% 0.191 29.1);

Tailwind

colors: {
  custom: {
    50: '#e57764',
    500: '#cc3428',
    950: '#000000',
  },
}

SCSS

$custom: #cc3428;
$custom-light: #e57764;
$custom-dark: #000000;

JSON

{
  "hex": "#cc3428",
  "rgb": {
    "r": 204,
    "g": 52,
    "b": 40
  },
  "hsl": {
    "h": 4.39,
    "s": 67.213,
    "l": 47.843
  },
  "oklch": {
    "l": 0.55906,
    "c": 0.1906,
    "h": 29.1
  },
  "luminance": 0.15447
}

Semantic roles & 50–950 ramp

primary

#CC3428

secondary

#7FCBD1

accent

#DDEA3E

background

#FFF7F6

surface

#FFEEEB

border

#D7C9C6

text

#180A05

muted

#867C7A

Preview Lab

Preview with #CC3428

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

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