#CC3F42#CC3F42

#CC3F42 is a mid, vivid red. Relative luminance 0.168; OKLCH L 57.3% C 0.178 H 23.6°. Best body text is #FFFFFF at 4.82:1 contrast (WCAG AA passes).

Color values

HEX	#CC3F42
RGB	rgb(204, 63, 66)
HSL	hsl(359, 58%, 52%)
HSV	hsv(359, 69%, 80%)
CMYK	cmyk(0%, 69.1%, 67.6%, 20%)
CIE-LAB	lab(47.99, 55.53, 30.45)
CIE-LCH	lch(47.99, 63.33, 28.74°)
OKLab	oklab(57.31% 0.1627 0.0711)
OKLCH	oklch(57.31% 0.178 23.6)
XYZ	xyz(27.6657, 16.7898, 6.9372)
Luminance	0.1679 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CC3F42 #3FCCC9

analogous

#CC3F89 #CC3F42 #CC823F

triadic

#CC3F42 #42CC3F #3F42CC

tetradic

#CC3F42 #89CC3F #3FCCC9 #823FCC

square

#CC3F42 #89CC3F #3FCCC9 #823FCC

split-complementary

#CC3F42 #3FCC82 #3F89CC

monochromatic

#721E20 #A32B2E #CC3F42 #D96F72 #E6A0A1

Accessibility & contrast

On white

4.82

#CC3F42 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.36

#CC3F42 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #CC3F42

4.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CC3F42	#FFFFFF	#000000	##FFFFFF
##CC3F42	1.00	4.82	4.36	4.82
#FFFFFF	4.82	1.00	21.00	1.00
#000000	4.36	21.00	1.00	21.00
##FFFFFF	4.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#665F41

Deuteranopia (green-blind)

#8A7D3E

Tritanopia (blue-blind)

#E01442

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #cc3f42;
/* rgb */ color: rgb(204, 63, 66);
/* oklch */ color: oklch(57.3% 0.178 23.6);

Tailwind

colors: {
  custom: {
    50: '#e37d76',
    500: '#cc3f42',
    950: '#000000',
  },
}

SCSS

$custom: #cc3f42;
$custom-light: #e37d76;
$custom-dark: #000000;

JSON

{
  "hex": "#cc3f42",
  "rgb": {
    "r": 204,
    "g": 63,
    "b": 66
  },
  "hsl": {
    "h": 358.723,
    "s": 58.025,
    "l": 52.353
  },
  "oklch": {
    "l": 0.57311,
    "c": 0.17758,
    "h": 23.6
  },
  "luminance": 0.16786
}

Semantic roles & 50–950 ramp

primary

#CC3F42

secondary

#95D2D1

accent

#E1DE47

background

#FFF8F7

surface

#FEEFED

border

#D6CAC8

text

#170A08

muted

#857C7B

Preview Lab

Preview with #CC3F42

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

Preview Lab → · Contrast checker → · Palette generator →