Mui is a solid-style Icon from Simple Icons set.

The Mui icon shows a bold geometric M-shaped mark formed by broad black angular bands, with detached angled blocks at right. Drawn in the solid style on a 24px grid for crisp, scalable rendering in interface graphics. Use it for Material UI branding, component libraries, frontend documentation, design-system navigation, and developer resources. It belongs to Simple Icons free set in the Brand Logos family.