The flag of Uruguay has an aspect ratio of 3:2. It consists of nine horizontal stripes alternating between white (#FFFFFF) and light blue (#77B5FE), with the top and bottom stripes being white. In the upper left corner, there is a white square (#FFFFFF) that spans the first five stripes.

Inside the white square is a golden-yellow sun (#FCD116) with a face, known as the Sun of May. The sun has 16 rays, alternating between straight and wavy.

Exact measurements or geometric properties aren't standardized for national flags, but typically they are proportionate to the overall size of the flag.