#CC3F3F#CC3F3F

#CC3F3F is a mid, vivid red. Relative luminance 0.168; OKLCH L 57.3% C 0.178 H 24.7°. Best body text is #FFFFFF at 4.83:1 contrast (WCAG AA passes).

Color values

HEX	#CC3F3F
RGB	rgb(204, 63, 63)
HSL	hsl(0, 58%, 52%)
HSV	hsv(0, 69%, 80%)
CMYK	cmyk(0%, 69.1%, 69.1%, 20%)
CIE-LAB	lab(47.95, 55.37, 32.16)
CIE-LCH	lch(47.95, 64.03, 30.15°)
OKLab	oklab(57.26% 0.1616 0.0744)
OKLCH	oklch(57.26% 0.178 24.7)
XYZ	xyz(27.5795, 16.7553, 6.4835)
Luminance	0.1675 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CC3F3F #3FCCCC

analogous

#CC3F86 #CC3F3F #CC863F

triadic

#CC3F3F #3FCC3F #3F3FCC

tetradic

#CC3F3F #86CC3F #3FCCCC #863FCC

square

#CC3F3F #86CC3F #3FCCCC #863FCC

split-complementary

#CC3F3F #3FCC86 #3F86CC

monochromatic

#721E1E #A32B2B #CC3F3F #D96F6F #E6A0A0

Accessibility & contrast

On white

4.83

#CC3F3F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.35

#CC3F3F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #CC3F3F

4.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CC3F3F	#FFFFFF	#000000	##FFFFFF
##CC3F3F	1.00	4.83	4.35	4.83
#FFFFFF	4.83	1.00	21.00	1.00
#000000	4.35	21.00	1.00	21.00
##FFFFFF	4.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#665E3E

Deuteranopia (green-blind)

#8A7D3B

Tritanopia (blue-blind)

#E01241

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #cc3f3f;
/* rgb */ color: rgb(204, 63, 63);
/* oklch */ color: oklch(57.3% 0.178 24.7);

Tailwind

colors: {
  custom: {
    50: '#e47d74',
    500: '#cc3f3f',
    950: '#000000',
  },
}

SCSS

$custom: #cc3f3f;
$custom-light: #e47d74;
$custom-dark: #000000;

JSON

{
  "hex": "#cc3f3f",
  "rgb": {
    "r": 204,
    "g": 63,
    "b": 63
  },
  "hsl": {
    "h": 0,
    "s": 58.025,
    "l": 52.353
  },
  "oklch": {
    "l": 0.57264,
    "c": 0.17792,
    "h": 24.7
  },
  "luminance": 0.16751
}

Semantic roles & 50–950 ramp

primary

#CC3F3F

secondary

#95D2D2

accent

#E1E147

background

#FFF8F7

surface

#FEEFED

border

#D6CAC8

text

#170A08

muted

#857C7B

Preview Lab

Preview with #CC3F3F

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

Preview Lab → · Contrast checker → · Palette generator →