#CC3C37#CC3C37

#CC3C37 is a mid, vivid red. Relative luminance 0.163; OKLCH L 56.8% C 0.182 H 26.7°. Best body text is #FFFFFF at 4.92:1 contrast (WCAG AA passes).

Color values

HEX	#CC3C37
RGB	rgb(204, 60, 55)
HSL	hsl(2, 59%, 51%)
HSV	hsv(2, 73%, 80%)
CMYK	cmyk(0%, 70.6%, 73%, 20%)
CIE-LAB	lab(47.43, 56.13, 36.17)
CIE-LCH	lch(47.43, 66.78, 32.79°)
OKLab	oklab(56.84% 0.1624 0.0817)
OKLCH	oklch(56.84% 0.182 26.7)
XYZ	xyz(27.2103, 16.3490, 5.3366)
Luminance	0.1635 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CC3C37 #37C7CC

analogous

#CC377D #CC3C37 #CC8637

triadic

#CC3C37 #37CC3C #3C37CC

tetradic

#CC3C37 #7DCC37 #37C7CC #8637CC

square

#CC3C37 #7DCC37 #37C7CC #8637CC

split-complementary

#CC3C37 #37CC86 #377DCC

monochromatic

#6D1E1C #9E2C28 #CC3C37 #D86C68 #E59B99

Accessibility & contrast

On white

4.92

#CC3C37 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.27

#CC3C37 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #CC3C37

4.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CC3C37	#FFFFFF	#000000	##FFFFFF
##CC3C37	1.00	4.92	4.27	4.92
#FFFFFF	4.92	1.00	21.00	1.00
#000000	4.27	21.00	1.00	21.00
##FFFFFF	4.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#665D35

Deuteranopia (green-blind)

#897C32

Tritanopia (blue-blind)

#E0013C

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #cc3c37;
/* rgb */ color: rgb(204, 60, 55);
/* oklch */ color: oklch(56.8% 0.182 26.7);

Tailwind

colors: {
  custom: {
    50: '#e47b6e',
    500: '#cc3c37',
    950: '#000000',
  },
}

SCSS

$custom: #cc3c37;
$custom-light: #e47b6e;
$custom-dark: #000000;

JSON

{
  "hex": "#cc3c37",
  "rgb": {
    "r": 204,
    "g": 60,
    "b": 55
  },
  "hsl": {
    "h": 2.013,
    "s": 59.363,
    "l": 50.784
  },
  "oklch": {
    "l": 0.5684,
    "c": 0.18176,
    "h": 26.7
  },
  "luminance": 0.16345
}

Semantic roles & 50–950 ramp

primary

#CC3C37

secondary

#8ECED0

accent

#DDE345

background

#FFF7F6

surface

#FEEEEC

border

#D6C9C7

text

#170A07

muted

#857C7A

Preview Lab

Preview with #CC3C37

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

Preview Lab → · Contrast checker → · Palette generator →