#CC4337#CC4337

#CC4337 is a mid, vivid red. Relative luminance 0.171; OKLCH L 57.6% C 0.175 H 28.7°. Best body text is #FFFFFF at 4.75:1 contrast (WCAG AA passes).

Color values

HEX	#CC4337
RGB	rgb(204, 67, 55)
HSL	hsl(5, 59%, 51%)
HSV	hsv(5, 73%, 80%)
CMYK	cmyk(0%, 67.2%, 73%, 20%)
CIE-LAB	lab(48.43, 53.41, 37.29)
CIE-LCH	lch(48.43, 65.14, 34.92°)
OKLab	oklab(57.59% 0.1538 0.0842)
OKLCH	oklch(57.59% 0.175 28.7)
XYZ	xyz(27.6016, 17.1316, 5.4670)
Luminance	0.1713 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CC4337 #37C0CC

analogous

#CC3775 #CC4337 #CC8D37

triadic

#CC4337 #37CC43 #4337CC

tetradic

#CC4337 #75CC37 #37C0CC #8D37CC

square

#CC4337 #75CC37 #37C0CC #8D37CC

split-complementary

#CC4337 #37CC8D #3775CC

monochromatic

#6D221C #9E3228 #CC4337 #D87168 #E59F99

Accessibility & contrast

On white

4.75

#CC4337 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.43

#CC4337 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #CC4337

4.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CC4337	#FFFFFF	#000000	##FFFFFF
##CC4337	1.00	4.75	4.43	4.75
#FFFFFF	4.75	1.00	21.00	1.00
#000000	4.43	21.00	1.00	21.00
##FFFFFF	4.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6A6035

Deuteranopia (green-blind)

#8C7E32

Tritanopia (blue-blind)

#E01A41

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #cc4337;
/* rgb */ color: rgb(204, 67, 55);
/* oklch */ color: oklch(57.6% 0.175 28.7);

Tailwind

colors: {
  custom: {
    50: '#e47f6e',
    500: '#cc4337',
    950: '#000000',
  },
}

SCSS

$custom: #cc4337;
$custom-light: #e47f6e;
$custom-dark: #000000;

JSON

{
  "hex": "#cc4337",
  "rgb": {
    "r": 204,
    "g": 67,
    "b": 55
  },
  "hsl": {
    "h": 4.832,
    "s": 59.363,
    "l": 50.784
  },
  "oklch": {
    "l": 0.57586,
    "c": 0.17531,
    "h": 28.7
  },
  "luminance": 0.17128
}

Semantic roles & 50–950 ramp

primary

#CC4337

secondary

#8ECBD0

accent

#D6E345

background

#FFF8F6

surface

#FEEFEC

border

#D6CAC7

text

#170B07

muted

#857C7A

Preview Lab

Preview with #CC4337

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

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