The coat of arms in divided into two fields, a blue one and a gold one. In the centre, the figure of Saint Louis, King of France, which is also on the top of a hill. On the gold field, there's two gold bars and on the blue field there's two silver bars. It is framed by an irregular golden border.
Design based on the Coat of Arms. By MetamarioMX. 2014.
Civic version of the design based on the Coat of Arms. By MetamarioMX. 2014.
Blue and yellow for night and day. Two gold and two silver bars which represent the state's mining wealth. By kyrgyzzephyr. 2014.
San Luis Potosí flag proposal 1 by Hans. Apr 2016. (details)
San Luis Potosí flag proposal 2 by Hans. Mar 2017. (details)
San Luis Potosí flag proposal by Sotajarocho. 2015.
San Luis Potosí flag proposal by Superham1. 2016.
Inspired in the state's coat of arms, the Flag of San Luis Potosí is composed of San Pedro Hill, and four gold ingots, in the same usage as the coat of arms. By Ricardo Vazoli, 2016.
Proposal for a flag for San Luis Potosí. By Qaz Jan 2020 (details)
King Left of San Luis Potosí 2017
Flag of San Luis Potosí 2 Gold Squares and 2 Gray Squares French Symbol, February 2020
Flag of San Luis Potosí: with Gold and Blue Blocks Background and White Cross. (July 2020)