#CC3A37#CC3A37

#CC3A37 is a mid, vivid red. Relative luminance 0.161; OKLCH L 56.6% C 0.184 H 26.2°. Best body text is #FFFFFF at 4.97:1 contrast (WCAG AA passes).

Color values

HEX	#CC3A37
RGB	rgb(204, 58, 55)
HSL	hsl(1, 59%, 51%)
HSV	hsv(1, 73%, 80%)
CMYK	cmyk(0%, 71.6%, 73%, 20%)
CIE-LAB	lab(47.16, 56.87, 35.87)
CIE-LCH	lch(47.16, 67.23, 32.24°)
OKLab	oklab(56.64% 0.1647 0.0811)
OKLCH	oklch(56.64% 0.184 26.2)
XYZ	xyz(27.1076, 16.1434, 5.3023)
Luminance	0.1614 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CC3A37 #37C9CC

analogous

#CC377E #CC3A37 #CC8437

triadic

#CC3A37 #37CC3A #3A37CC

tetradic

#CC3A37 #7ECC37 #37C9CC #8437CC

square

#CC3A37 #7ECC37 #37C9CC #8437CC

split-complementary

#CC3A37 #37CC84 #377ECC

monochromatic

#6D1D1C #9E2B28 #CC3A37 #D86A68 #E59A99

Accessibility & contrast

On white

4.97

#CC3A37 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.23

#CC3A37 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #CC3A37

4.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CC3A37	#FFFFFF	#000000	##FFFFFF
##CC3A37	1.00	4.97	4.23	4.97
#FFFFFF	4.97	1.00	21.00	1.00
#000000	4.23	21.00	1.00	21.00
##FFFFFF	4.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#645C35

Deuteranopia (green-blind)

#897B32

Tritanopia (blue-blind)

#E0003B

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #cc3a37;
/* rgb */ color: rgb(204, 58, 55);
/* oklch */ color: oklch(56.6% 0.184 26.2);

Tailwind

colors: {
  custom: {
    50: '#e47a6e',
    500: '#cc3a37',
    950: '#000000',
  },
}

SCSS

$custom: #cc3a37;
$custom-light: #e47a6e;
$custom-dark: #000000;

JSON

{
  "hex": "#cc3a37",
  "rgb": {
    "r": 204,
    "g": 58,
    "b": 55
  },
  "hsl": {
    "h": 1.208,
    "s": 59.363,
    "l": 50.784
  },
  "oklch": {
    "l": 0.56641,
    "c": 0.18354,
    "h": 26.2
  },
  "luminance": 0.16139
}

Semantic roles & 50–950 ramp

primary

#CC3A37

secondary

#8ECFD0

accent

#DFE345

background

#FFF7F6

surface

#FEEEEC

border

#D6C9C7

text

#170A07

muted

#857C7A

Preview Lab

Preview with #CC3A37

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

Preview Lab → · Contrast checker → · Palette generator →