#CC3528#CC3528

#CC3528 is a mid, vivid red. Relative luminance 0.155; OKLCH L 56.0% C 0.190 H 29.4°. Best body text is #FFFFFF at 5.11:1 contrast (WCAG AA passes).

Color values

HEX	#CC3528
RGB	rgb(204, 53, 40)
HSL	hsl(5, 67%, 48%)
HSV	hsv(5, 80%, 80%)
CMYK	cmyk(0%, 74%, 80.4%, 20%)
CIE-LAB	lab(46.37, 58.07, 43.29)
CIE-LCH	lch(46.37, 72.43, 36.70°)
OKLab	oklab(56% 0.1654 0.0931)
OKLCH	oklch(56% 0.19 29.4)
XYZ	xyz(26.5611, 15.5410, 3.6082)
Luminance	0.1554 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CC3528 #28BFCC

analogous

#CC286D #CC3528 #CC8728

triadic

#CC3528 #28CC35 #3528CC

tetradic

#CC3528 #6DCC28 #28BFCC #8728CC

square

#CC3528 #6DCC28 #28BFCC #8728CC

split-complementary

#CC3528 #28CC87 #286DCC

monochromatic

#661A14 #99281E #CC3528 #DD5F54 #E78F87

Accessibility & contrast

On white

5.11

#CC3528 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.11

#CC3528 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #CC3528

5.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CC3528	#FFFFFF	#000000	##FFFFFF
##CC3528	1.00	5.11	4.11	5.11
#FFFFFF	5.11	1.00	21.00	1.00
#000000	4.11	21.00	1.00	21.00
##FFFFFF	5.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#635925

Deuteranopia (green-blind)

#887A21

Tritanopia (blue-blind)

#E10034

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #cc3528;
/* rgb */ color: rgb(204, 53, 40);
/* oklch */ color: oklch(56.0% 0.190 29.4);

Tailwind

colors: {
  custom: {
    50: '#e57864',
    500: '#cc3528',
    950: '#000000',
  },
}

SCSS

$custom: #cc3528;
$custom-light: #e57864;
$custom-dark: #000000;

JSON

{
  "hex": "#cc3528",
  "rgb": {
    "r": 204,
    "g": 53,
    "b": 40
  },
  "hsl": {
    "h": 4.756,
    "s": 67.213,
    "l": 47.843
  },
  "oklch": {
    "l": 0.55996,
    "c": 0.18982,
    "h": 29.4
  },
  "luminance": 0.15537
}

Semantic roles & 50–950 ramp

primary

#CC3528

secondary

#7FCAD1

accent

#DCEA3E

background

#FFF7F6

surface

#FFEEEB

border

#D7C9C6

text

#180A05

muted

#867C7A

Preview Lab

Preview with #CC3528

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

Preview Lab → · Contrast checker → · Palette generator →