The flag of El Salvador consists of three horizontal stripes and a coat of arms in the center. The aspect ratio is 189:335. The colors and their respective hex codes are as follows:

1. Top stripe - Cobalt Blue (#0038A8)
2. Middle stripe - White (#FFFFFF)
3. Bottom stripe - Cobalt Blue (#0038A8)

Each blue stripe occupies one-fourth of the flag's height, while the white stripe occupies half of the flag's height. The coat of arms is placed within an elliptical shape at the center of the white stripe.

Exact dimensions of the flag and its elements may vary slightly depending on the source; however, the general design remains consistent.