#CC4737#CC4737

#CC4737 is a mid, vivid red. Relative luminance 0.176; OKLCH L 58.0% C 0.172 H 30.0°. Best body text is #FFFFFF at 4.64:1 contrast (WCAG AA passes).

Color values

HEX	#CC4737
RGB	rgb(204, 71, 55)
HSL	hsl(6, 59%, 51%)
HSV	hsv(6, 73%, 80%)
CMYK	cmyk(0%, 65.2%, 73%, 20%)
CIE-LAB	lab(49.04, 51.76, 37.98)
CIE-LCH	lch(49.04, 64.20, 36.27°)
OKLab	oklab(58.05% 0.1486 0.0857)
OKLCH	oklch(58.05% 0.172 30)
XYZ	xyz(27.8477, 17.6237, 5.5490)
Luminance	0.1762 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CC4737 #37BCCC

analogous

#CC3771 #CC4737 #CC9137

triadic

#CC4737 #37CC47 #4737CC

tetradic

#CC4737 #71CC37 #37BCCC #9137CC

square

#CC4737 #71CC37 #37BCCC #9137CC

split-complementary

#CC4737 #37CC91 #3771CC

monochromatic

#6D241C #9E3528 #CC4737 #D87468 #E5A199

Accessibility & contrast

On white

4.64

#CC4737 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.52

#CC4737 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #CC4737

4.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CC4737	#FFFFFF	#000000	##FFFFFF
##CC4737	1.00	4.64	4.52	4.64
#FFFFFF	4.64	1.00	21.00	1.00
#000000	4.52	21.00	1.00	21.00
##FFFFFF	4.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6C6234

Deuteranopia (green-blind)

#8D7F33

Tritanopia (blue-blind)

#E02344

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #cc4737;
/* rgb */ color: rgb(204, 71, 55);
/* oklch */ color: oklch(58.0% 0.172 30.0);

Tailwind

colors: {
  custom: {
    50: '#e4816f',
    500: '#cc4737',
    950: '#000000',
  },
}

SCSS

$custom: #cc4737;
$custom-light: #e4816f;
$custom-dark: #000000;

JSON

{
  "hex": "#cc4737",
  "rgb": {
    "r": 204,
    "g": 71,
    "b": 55
  },
  "hsl": {
    "h": 6.443,
    "s": 59.363,
    "l": 50.784
  },
  "oklch": {
    "l": 0.58045,
    "c": 0.17154,
    "h": 30
  },
  "luminance": 0.1762
}

Semantic roles & 50–950 ramp

primary

#CC4737

secondary

#8EC9D0

accent

#D2E345

background

#FFF8F6

surface

#FEEFEC

border

#D6CAC7

text

#170B07

muted

#857C7A

Preview Lab

Preview with #CC4737

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

Preview Lab → · Contrast checker → · Palette generator →