#CC3D37#CC3D37

#CC3D37 is a mid, vivid red. Relative luminance 0.165; OKLCH L 56.9% C 0.181 H 27.0°. Best body text is #FFFFFF at 4.89:1 contrast (WCAG AA passes).

Color values

HEX	#CC3D37
RGB	rgb(204, 61, 55)
HSL	hsl(2, 59%, 51%)
HSV	hsv(2, 73%, 80%)
CMYK	cmyk(0%, 70.1%, 73%, 20%)
CIE-LAB	lab(47.57, 55.76, 36.32)
CIE-LCH	lch(47.57, 66.55, 33.08°)
OKLab	oklab(56.94% 0.1612 0.0821)
OKLCH	oklch(56.94% 0.181 27)
XYZ	xyz(27.2632, 16.4548, 5.3542)
Luminance	0.1645 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CC3D37 #37C6CC

analogous

#CC377B #CC3D37 #CC8737

triadic

#CC3D37 #37CC3D #3D37CC

tetradic

#CC3D37 #7BCC37 #37C6CC #8737CC

square

#CC3D37 #7BCC37 #37C6CC #8737CC

split-complementary

#CC3D37 #37CC87 #377BCC

monochromatic

#6D1F1C #9E2D28 #CC3D37 #D86C68 #E59C99

Accessibility & contrast

On white

4.89

#CC3D37 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.29

#CC3D37 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #CC3D37

4.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CC3D37	#FFFFFF	#000000	##FFFFFF
##CC3D37	1.00	4.89	4.29	4.89
#FFFFFF	4.89	1.00	21.00	1.00
#000000	4.29	21.00	1.00	21.00
##FFFFFF	4.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#665D35

Deuteranopia (green-blind)

#8A7C32

Tritanopia (blue-blind)

#E0063D

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #cc3d37;
/* rgb */ color: rgb(204, 61, 55);
/* oklch */ color: oklch(56.9% 0.181 27.0);

Tailwind

colors: {
  custom: {
    50: '#e47c6e',
    500: '#cc3d37',
    950: '#000000',
  },
}

SCSS

$custom: #cc3d37;
$custom-light: #e47c6e;
$custom-dark: #000000;

JSON

{
  "hex": "#cc3d37",
  "rgb": {
    "r": 204,
    "g": 61,
    "b": 55
  },
  "hsl": {
    "h": 2.416,
    "s": 59.363,
    "l": 50.784
  },
  "oklch": {
    "l": 0.56942,
    "c": 0.18085,
    "h": 27
  },
  "luminance": 0.16451
}

Semantic roles & 50–950 ramp

primary

#CC3D37

secondary

#8ECED0

accent

#DCE345

background

#FFF7F6

surface

#FEEEEC

border

#D6C9C7

text

#170A07

muted

#857C7A

Preview Lab

Preview with #CC3D37

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

Preview Lab → · Contrast checker → · Palette generator →