#CC3F3A#CC3F3A

#CC3F3A is a mid, vivid red. Relative luminance 0.167; OKLCH L 57.2% C 0.179 H 26.5°. Best body text is #FFFFFF at 4.84:1 contrast (WCAG AA passes).

Color values

HEX	#CC3F3A
RGB	rgb(204, 63, 58)
HSL	hsl(2, 59%, 51%)
HSV	hsv(2, 72%, 80%)
CMYK	cmyk(0%, 69.1%, 71.6%, 20%)
CIE-LAB	lab(47.88, 55.13, 34.97)
CIE-LCH	lch(47.88, 65.29, 32.39°)
OKLab	oklab(57.19% 0.1598 0.0797)
OKLCH	oklch(57.19% 0.179 26.5)
XYZ	xyz(27.4461, 16.7019, 5.7808)
Luminance	0.1670 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CC3F3A #3AC7CC

analogous

#CC3A7E #CC3F3A #CC883A

triadic

#CC3F3A #3ACC3F #3F3ACC

tetradic

#CC3F3A #7ECC3A #3AC7CC #883ACC

square

#CC3F3A #7ECC3A #3AC7CC #883ACC

split-complementary

#CC3F3A #3ACC88 #3A7ECC

monochromatic

#6F201D #A02D29 #CC3F3A #D96E6B #E59E9B

Accessibility & contrast

On white

4.84

#CC3F3A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.34

#CC3F3A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #CC3F3A

4.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CC3F3A	#FFFFFF	#000000	##FFFFFF
##CC3F3A	1.00	4.84	4.34	4.84
#FFFFFF	4.84	1.00	21.00	1.00
#000000	4.34	21.00	1.00	21.00
##FFFFFF	4.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#675E38

Deuteranopia (green-blind)

#8A7D35

Tritanopia (blue-blind)

#E0103F

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #cc3f3a;
/* rgb */ color: rgb(204, 63, 58);
/* oklch */ color: oklch(57.2% 0.179 26.5);

Tailwind

colors: {
  custom: {
    50: '#e47d70',
    500: '#cc3f3a',
    950: '#000000',
  },
}

SCSS

$custom: #cc3f3a;
$custom-light: #e47d70;
$custom-dark: #000000;

JSON

{
  "hex": "#cc3f3a",
  "rgb": {
    "r": 204,
    "g": 63,
    "b": 58
  },
  "hsl": {
    "h": 2.055,
    "s": 58.871,
    "l": 51.373
  },
  "oklch": {
    "l": 0.57191,
    "c": 0.17859,
    "h": 26.5
  },
  "luminance": 0.16698
}

Semantic roles & 50–950 ramp

primary

#CC3F3A

secondary

#91CFD1

accent

#DDE246

background

#FFF7F6

surface

#FEEEEC

border

#D6C9C7

text

#170A07

muted

#857C7A

Preview Lab

Preview with #CC3F3A

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

Preview Lab → · Contrast checker → · Palette generator →