Guam Guam State Flag

The Guam flag was formally adopted on February 9, 1948. Since, Guam has maintained the same flag for the last 76 years.

The Guam flag was voted 27th best out of 51 Flags ranked by the North American Vexillological Association.

The 4 main colors in the Guam flag are #00297B, #C62139, #66AFEB, and #007BDE. The Guam flag width is 1.9 times the height. Standard flag size is 3 feet x 5.7 feet.

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Guam Flag

The Guam State Flag. Adopted by State Legislature on February 9, 1948.


#00297B 79%
#C62139 15.4%
#66AFEB 2.6%
#007BDE 1%
Percentage totals may not equal 100. Colors with less than 1 percent are ignored.


The flag of the territory of Guam is a rectangular field of marine blue with a red border. Its center contains the almond-shaped coat of arms that is 24 inches tall by 16 inches wide. Rather simplistic, the inside shows a boat landing on a sandy beach with just one palm tree. The coat of arms bears the following vibrant colors: yellow, brown, gray and red. The word “Guam” appears across in red. Guam's entire flag should be seventy eight inches long and forty inches wide.


Though it looks boring, Guam's flag holds a lot of symbols dedicated to preserving its values and traditions. Guam's coat of arms, which doubles as its Great Seal, got its oval shape from the sling stone used by the island's early inhabitants, the Chamorro. These indigenous people expertly used the stone for weaponry and hunting with great dexterity. Inside the seal, the Hagåtña River empties into the sea indicating the giving nature of Guam's people. The boat , or proa, symbolizes the mode of transportation of the Guam people while the lone palm tree suggests life and survival in an otherwise hopeless situation. The unmoving landmass in the background shows the Chamorro commitment to their home and heritage.

At first glance, Guam's flag looks like an island paradise, but with a little background knowledge,the seal becomes a story of the strong Chamorro people and how they persevered even during the most terrible of times.


The flag of Guam was designed by Helen Paul, the wife of a U.S. naval officer, in 1917 and was officially adopted by the Guam congress in 1948. Prior to this time, Guam didn't have its own flag since it previously used the flag of Spain during the Spanish occupation and later, the Japan flag during World War Two. The bordering red strip was added after the second war to remember the hardships and losses during these troubling conflicts.

Flown with the U.S. flag, the Guam flag maintains its position beneath or on the left side.

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