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Ironside Gray

#646561

Ironside Gray is a neutral dark color with the hex code #646561. This muted hue can be represented as RGB 100, 101, 97 in digital design or CMYK 1%, 0%, 4%, 60% for print applications. Find matching Pantone color.

Ironside Gray color values

HEX
#646561
RGB
100, 101, 97
HSL
75°, 2%, 39%
CMYK
1, 0, 4, 60

Shades & tints

Darker Lighter

About this color

Ironside Gray sits at 75° on the color wheel with 2% saturation and 39% lightness, placing it in the yellow 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, Ironside Gray is rendered as rgb(100, 101, 97), where the green channel leads at 101, with red and blue channels close behind. Low saturation at this depth produces the kind of sophisticated, near-neutral dark that works for application shells, sidebars, and dark-mode base layers.

For print, Ironside Gray translates to a CMYK breakdown of 1C 0M 4Y 60K. A substantial black component (60%) 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 Ironside Gray

CSS Variable 

:root {
  --brand-primary: #646561;
  --brand-primary-rgb: 100, 101, 97;
}

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

Tailwind Config 

colors: {
  brand: '#646561',
}

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

Print Design (CMYK) 

C: 1%
M: 0%
Y: 4%
K: 60%

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

RGB for Screens 

rgb(100, 101, 97)
rgba(100, 101, 97, 0.8)

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

Frequently asked questions

What color is #646561?
#646561 is Ironside Gray, a neutral dark color with RGB values of 100, 101, 97. It has a hue of 75°, 2% saturation, and 39% lightness in the HSL color space.
What is the RGB value of #646561?
The RGB color code for #646561 is rgb(100, 101, 97). This means it contains 100 red, 101 green, and 97 blue in the RGB color model.
Is Ironside Gray a warm or cool color?
Ironside Gray (#646561) is a neutral color, sitting between warm and cool on the color wheel.
How do I use #646561 in CSS?
You can use #646561 in CSS with: background-color: #646561; or color: #646561; or as an RGB value: rgb(100, 101, 97). For print design, use CMYK: 1%, 0%, 4%, 60%.

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