There are twa versions o the banner, ane containin the Naitional Coat o Airms an the ither the wirds "DIOS UNION LIBERTAD" (Spainyie: God, Union, Liberty). The ane bearin the Coat o airms is uised bi the government or state organizations. The ither version is uised for ceevil purposes. Baith banners hae a 3:5 aspect ratio.
Frae 1865 tae 1912, a different banner wis in uise, wi a field o alternatin blue an white stripes an a red canton containin white starns.
The actual Blue an White stripes in banner are based on the importance o Añil exports, Añil wis commonly uised as a source for indigo dye.