three equal horizontal bands of cerulean blue (top), white, and cerulean blue, with five cerulean, five-pointed stars arranged in an X pattern centered in the white band
the stars represent the members of the former Federal Republic of Central America: Costa Rica, El Salvador, Guatemala, Honduras, and Nicaragua
the blue bands symbolize the Pacific Ocean and the Caribbean Sea
the white band represents the land between the two bodies of water and the peace and prosperity of its people
note: similar to the flag of El Salvador, which features a round emblem encircled by the words REPUBLICA DE EL SALVADOR EN LA AMERICA CENTRAL centered in the white band
also similar to the flag of Nicaragua, which features a triangle encircled by the words REPUBLICA DE NICARAGUA on top and AMERICA CENTRAL on the bottom, centered in the white band