#CC4437#CC4437

#CC4437 is a mid, vivid red. Relative luminance 0.172; OKLCH L 57.7% C 0.174 H 29.0°. Best body text is #FFFFFF at 4.72:1 contrast (WCAG AA passes).

Color values

HEX	#CC4437
RGB	rgb(204, 68, 55)
HSL	hsl(5, 59%, 51%)
HSV	hsv(5, 73%, 80%)
CMYK	cmyk(0%, 66.7%, 73%, 20%)
CIE-LAB	lab(48.58, 53.00, 37.46)
CIE-LCH	lch(48.58, 64.91, 35.25°)
OKLab	oklab(57.7% 0.1525 0.0845)
OKLCH	oklch(57.7% 0.174 29)
XYZ	xyz(27.6616, 17.2515, 5.4870)
Luminance	0.1725 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CC4437 #37BFCC

analogous

#CC3774 #CC4437 #CC8E37

triadic

#CC4437 #37CC44 #4437CC

tetradic

#CC4437 #74CC37 #37BFCC #8E37CC

square

#CC4437 #74CC37 #37BFCC #8E37CC

split-complementary

#CC4437 #37CC8E #3774CC

monochromatic

#6D231C #9E3228 #CC4437 #D87268 #E59F99

Accessibility & contrast

On white

4.72

#CC4437 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.45

#CC4437 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #CC4437

4.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CC4437	#FFFFFF	#000000	##FFFFFF
##CC4437	1.00	4.72	4.45	4.72
#FFFFFF	4.72	1.00	21.00	1.00
#000000	4.45	21.00	1.00	21.00
##FFFFFF	4.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6A6135

Deuteranopia (green-blind)

#8C7E32

Tritanopia (blue-blind)

#E01D42

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #cc4437;
/* rgb */ color: rgb(204, 68, 55);
/* oklch */ color: oklch(57.7% 0.174 29.0);

Tailwind

colors: {
  custom: {
    50: '#e47f6e',
    500: '#cc4437',
    950: '#000000',
  },
}

SCSS

$custom: #cc4437;
$custom-light: #e47f6e;
$custom-dark: #000000;

JSON

{
  "hex": "#cc4437",
  "rgb": {
    "r": 204,
    "g": 68,
    "b": 55
  },
  "hsl": {
    "h": 5.235,
    "s": 59.363,
    "l": 50.784
  },
  "oklch": {
    "l": 0.57698,
    "c": 0.17437,
    "h": 29
  },
  "luminance": 0.17247
}

Semantic roles & 50–950 ramp

primary

#CC4437

secondary

#8ECBD0

accent

#D5E345

background

#FFF8F6

surface

#FEEFEC

border

#D6CAC7

text

#170B07

muted

#857C7A

Preview Lab

Preview with #CC4437

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

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