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Shuttle Gray

#5D646F

Shuttle Gray is a cool medium color with the hex code #5D646F. This muted hue can be represented as RGB 93, 100, 111 in digital design or CMYK 16%, 10%, 0%, 56% for print applications. Find matching Pantone color.

Shuttle Gray color values

HEX
#5D646F
RGB
93, 100, 111
HSL
217°, 9%, 40%
CMYK
16, 10, 0, 56

Shades & tints

Darker Lighter

About this color

Shuttle Gray sits at 217° on the color wheel with 9% 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, Shuttle Gray is rendered as rgb(93, 100, 111), where the blue channel is highest at 111, 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, Shuttle Gray translates to a CMYK breakdown of 16C 10M 0Y 56K. A substantial black component (56%) 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 Shuttle Gray

CSS Variable 

:root {
  --brand-primary: #5D646F;
  --brand-primary-rgb: 93, 100, 111;
}

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

Tailwind Config 

colors: {
  brand: '#5D646F',
}

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

Print Design (CMYK) 

C: 16%
M: 10%
Y: 0%
K: 56%

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

RGB for Screens 

rgb(93, 100, 111)
rgba(93, 100, 111, 0.8)

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

Frequently asked questions

What color is #5D646F?
#5D646F is Shuttle Gray, a cool medium color with RGB values of 93, 100, 111. It has a hue of 217°, 9% saturation, and 40% lightness in the HSL color space.
What is the RGB value of #5D646F?
The RGB color code for #5D646F is rgb(93, 100, 111). This means it contains 93 red, 100 green, and 111 blue in the RGB color model.
Is Shuttle Gray a warm or cool color?
Shuttle Gray (#5D646F) is a cool color with a hue between 120-300° on the color wheel.
How do I use #5D646F in CSS?
You can use #5D646F in CSS with: background-color: #5D646F; or color: #5D646F; or as an RGB value: rgb(93, 100, 111). For print design, use CMYK: 16%, 10%, 0%, 56%.

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