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Storm Dust

#646668

Storm Dust is a cool medium color with the hex code #646668. This muted hue can be represented as RGB 100, 102, 104 in digital design or CMYK 4%, 2%, 0%, 59% for print applications. Find matching Pantone color.

Storm Dust color values

HEX
#646668
RGB
100, 102, 104
HSL
210°, 2%, 40%
CMYK
4, 2, 0, 59

Shades & tints

Darker Lighter

About this color

Storm Dust sits at 210° on the color wheel with 2% saturation and 40% lightness, placing it in the blue segment of the spectrum. At near-zero saturation, it reads as a pure gray, with hue playing almost no role in its character. Its mid-range lightness positions it as a mid-tone: neither a background color nor a deep accent, but something in between.

In digital environments, Storm Dust is rendered as rgb(100, 102, 104), where the blue channel is highest at 104, though it sits close to the other channels. This muted, medium-toned character adapts well to supporting roles: borders, disabled states, secondary text, and structural UI elements.

For print, Storm Dust translates to a CMYK breakdown of 4C 2M 0Y 59K. A substantial black component (59%) anchors this color in print. The remaining ink channels supplement rather than drive the hue, which keeps the result stable across different paper stocks. No brands in the brandkit.pro library currently specify this exact hex as a named brand color.

Color harmonies

Complementary

Split-Complementary

How to use Storm Dust

CSS Variable 

:root {
  --brand-primary: #646668;
  --brand-primary-rgb: 100, 102, 104;
}

Define as a CSS custom property for consistent theming across your site.

Tailwind Config 

colors: {
  brand: '#646668',
}

Add to your Tailwind config to use classes like bg-brand.

Print Design (CMYK) 

C: 4%
M: 2%
Y: 0%
K: 59%

Use these CMYK values in Adobe Illustrator, InDesign, or print specifications.

RGB for Screens 

rgb(100, 102, 104)
rgba(100, 102, 104, 0.8)

Use RGB notation for compatibility or add alpha channel for transparency.

Frequently asked questions

What color is #646668?
#646668 is Storm Dust, a cool medium color with RGB values of 100, 102, 104. It has a hue of 210°, 2% saturation, and 40% lightness in the HSL color space.
What is the RGB value of #646668?
The RGB color code for #646668 is rgb(100, 102, 104). This means it contains 100 red, 102 green, and 104 blue in the RGB color model.
Is Storm Dust a warm or cool color?
Storm Dust (#646668) is a cool color with a hue between 120-300° on the color wheel.
How do I use #646668 in CSS?
You can use #646668 in CSS with: background-color: #646668; or color: #646668; or as an RGB value: rgb(100, 102, 104). For print design, use CMYK: 4%, 2%, 0%, 59%.

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