#CC3431#CC3431

#CC3431 is a mid, vivid red. Relative luminance 0.155; OKLCH L 56.0% C 0.189 H 26.7°. Best body text is #FFFFFF at 5.12:1 contrast (WCAG AA passes).

Color values

HEX	#CC3431
RGB	rgb(204, 52, 49)
HSL	hsl(1, 61%, 50%)
HSV	hsv(1, 76%, 80%)
CMYK	cmyk(0%, 74.5%, 76%, 20%)
CIE-LAB	lab(46.34, 58.71, 38.35)
CIE-LCH	lch(46.34, 70.13, 33.15°)
OKLab	oklab(56% 0.1692 0.0851)
OKLCH	oklch(56% 0.189 26.7)
XYZ	xyz(26.6873, 15.5193, 4.4954)
Luminance	0.1552 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CC3431 #31C9CC

analogous

#CC317C #CC3431 #CC8131

triadic

#CC3431 #31CC34 #3431CC

tetradic

#CC3431 #7CCC31 #31C9CC #8131CC

square

#CC3431 #7CCC31 #31C9CC #8131CC

split-complementary

#CC3431 #31CC81 #317CCC

monochromatic

#691B19 #9B2725 #CC3431 #D96361 #E59492

Accessibility & contrast

On white

5.12

#CC3431 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.10

#CC3431 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #CC3431

5.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CC3431	#FFFFFF	#000000	##FFFFFF
##CC3431	1.00	5.12	4.10	5.12
#FFFFFF	5.12	1.00	21.00	1.00
#000000	4.10	21.00	1.00	21.00
##FFFFFF	5.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#62592F

Deuteranopia (green-blind)

#887A2B

Tritanopia (blue-blind)

#E10035

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #cc3431;
/* rgb */ color: rgb(204, 52, 49);
/* oklch */ color: oklch(56.0% 0.189 26.7);

Tailwind

colors: {
  custom: {
    50: '#e5776a',
    500: '#cc3431',
    950: '#000000',
  },
}

SCSS

$custom: #cc3431;
$custom-light: #e5776a;
$custom-dark: #000000;

JSON

{
  "hex": "#cc3431",
  "rgb": {
    "r": 204,
    "g": 52,
    "b": 49
  },
  "hsl": {
    "h": 1.161,
    "s": 61.265,
    "l": 49.608
  },
  "oklch": {
    "l": 0.56003,
    "c": 0.1894,
    "h": 26.7
  },
  "luminance": 0.15515
}

Semantic roles & 50–950 ramp

primary

#CC3431

secondary

#89CED0

accent

#E1E443

background

#FFF7F6

surface

#FFEEEB

border

#D7C9C6

text

#180A06

muted

#867C7A

Preview Lab

Preview with #CC3431

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

Preview Lab → · Contrast checker → · Palette generator →