what does this symbol mean?
A flag of five horizontal stripes, three blue and two white, with a red triangle at the pole holding a white five-pointed star

Flag of Cuba

Cuba’s flag has five horizontal stripes, three blue and two white, and a red triangle at the pole holding a white five-pointed star: the “flag of the lone star” named in Cuba’s Constitution. As the Havana historian Eusebio Leal told it, the blue stripes are the island’s three military departments, the white the purity of the cause, the red triangle the blood that would be shed, and the three colours liberty, equality and fraternity.

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How to read it

Article 2 of Cuba’s 2019 Constitution names the national symbols as the flag of the lone star (la bandera de la estrella solitaria), the anthem of Bayamo and the coat of arms of the royal palm, and leaves their characteristics, use and care to a law. The flag was drawn in New York in June 1849 by a group around Narciso López, a former Spanish army general born in Venezuela: his secretary, the writer Cirilo Villaverde, the poet Miguel Teurbe Tolón and Teurbe Tolón’s wife Emilia. Eusebio Leal, Historian of the City of Havana, said in 2010 that López sketched the design, Teurbe Tolón drew it out and Emilia made the first flag from silk ribbons and a piece of red cloth. It first flew in Cuba at Cárdenas on 19 May 1850, when López’s expedition landed there.

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The triangle, the star and the stripes

Leal, following Villaverde’s written account, said López drew on two flags of his time, the flag of the United States and the flag of revolutionary France, and on the meaning of their three colours, red, blue and white: liberty, equality and fraternity. The five-pointed star sat in the centre of an equilateral triangle, and the number five gave the blue and white stripes; the blue ones stood for Cuba’s eastern, western and central regions under the Spanish military division, the white for the purity of the ideas, and the red of the triangle for the blood that would be shed. Cubadebate, in 2016, calls the equilateral triangle a symbol of Masonic fraternity and says the triangle was to be red, not blue, even against the rules of heraldry. Cubadebate’s 2025 description reads the white stripes as purity and justice and the lone star as the aspiration to liberty and sovereignty.

Telling it from Puerto Rico’s flag

Puerto Rico’s flag has the same layout with the colours swapped: a blue triangle and red stripes, with the same white star. Puerto Rico’s government quotes the minutes of the meeting of Puerto Rican independence supporters in New York, in December 1895, where it was presented: a flag of the same form as the Cuban one, with the colours inverted. The two are easy to confuse: in 2016 a Marvel Spider-Man comic set in Remedios, Cuba, drew the Cuban flag with its red and blue reversed, Cubadebate reported.

More north and Central American flags

The same shape elsewhere

Sources

Researched, edited and approved by Rory Hansen before publishing. Last reviewed October 13, 2026. How we research

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