The flag of Andorra has a vertical tricolor design with three equal bands: blue (#1F7A8C), yellow (#FFD700), and red (#C60C30). The aspect ratio of the flag is 7:10. The width of each band is one-third of the total width, and the length of the flag is seven-tenths of the total length. There are no specific geometric properties or measurements beyond these dimensions and color codes for the basic design of the Andorran flag.