Uniforms of the Grande Armée
The uniforms of La Grande Armée, the army of Napoleon I, are described in this article. == Units of the Line == === Infantry of the Line and light infantry === From 1793, the uniforms of the demi-brigade of the line infantry wore the blue "National Uniform" that was to be worn by all soldiers.
Source: Wikipedia — Uniforms of the Grande Armée (CC BY-SA 4.0)