#CC3F36#CC3F36

#CC3F36 is a mid, vivid red. Relative luminance 0.167; OKLCH L 57.1% C 0.179 H 27.9°. Best body text is #FFFFFF at 4.85:1 contrast (WCAG AA passes).

Color values

HEX	#CC3F36
RGB	rgb(204, 63, 54)
HSL	hsl(4, 60%, 51%)
HSV	hsv(4, 74%, 80%)
CMYK	cmyk(0%, 69.1%, 73.5%, 20%)
CIE-LAB	lab(47.83, 54.95, 37.19)
CIE-LCH	lch(47.83, 66.35, 34.09°)
OKLab	oklab(57.14% 0.1584 0.0837)
OKLCH	oklch(57.14% 0.179 27.9)
XYZ	xyz(27.3483, 16.6628, 5.2655)
Luminance	0.1666 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CC3F36 #36C3CC

analogous

#CC3678 #CC3F36 #CC8A36

triadic

#CC3F36 #36CC3F #3F36CC

tetradic

#CC3F36 #78CC36 #36C3CC #8A36CC

square

#CC3F36 #78CC36 #36C3CC #8A36CC

split-complementary

#CC3F36 #36CC8A #3678CC

monochromatic

#6C201B #9D2F28 #CC3F36 #D86E67 #E59C98

Accessibility & contrast

On white

4.85

#CC3F36 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.33

#CC3F36 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #CC3F36

4.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CC3F36	#FFFFFF	#000000	##FFFFFF
##CC3F36	1.00	4.85	4.33	4.85
#FFFFFF	4.85	1.00	21.00	1.00
#000000	4.33	21.00	1.00	21.00
##FFFFFF	4.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#675E34

Deuteranopia (green-blind)

#8B7D31

Tritanopia (blue-blind)

#E00E3E

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #cc3f36;
/* rgb */ color: rgb(204, 63, 54);
/* oklch */ color: oklch(57.1% 0.179 27.9);

Tailwind

colors: {
  custom: {
    50: '#e47d6e',
    500: '#cc3f36',
    950: '#000000',
  },
}

SCSS

$custom: #cc3f36;
$custom-light: #e47d6e;
$custom-dark: #000000;

JSON

{
  "hex": "#cc3f36",
  "rgb": {
    "r": 204,
    "g": 63,
    "b": 54
  },
  "hsl": {
    "h": 3.6,
    "s": 59.524,
    "l": 50.588
  },
  "oklch": {
    "l": 0.57138,
    "c": 0.17919,
    "h": 27.9
  },
  "luminance": 0.16659
}

Semantic roles & 50–950 ramp

primary

#CC3F36

secondary

#8ECCD0

accent

#D9E345

background

#FFF7F6

surface

#FEEEEB

border

#D6C9C6

text

#170A07

muted

#857C7A

Preview Lab

Preview with #CC3F36

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

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