Arizona's Flag History
December 7, 1787, to be inscribed underneath the diamond. The official state colors, colonial blue and buff, are designated by the Textile Color Card Association of the United States, Inc., New York, as "arno blue" Cable No. 10663, and "golden beige" Cable No. 10781 respectively; the color shades having been determined by Colorimetric Specifications of the National Bureau of Standards, United States Department of Commerce, in Test No. 2, 1/140565, dated November 18, 1954, which is on file with the Delaware Public Archives, Dover, Delaware.
The colors of the coat of arms and other elements of the state flag shall be the following: Husbandman, trousers of gray brown, shirt of red, hat and tilling hoe of brown; rifleman, suit of green, binding, bag and leggings of buff, hat of brown, powder flask and feather of gray; shield, frame of shaded yellow, top panel of orange, center panel of blue, lower panel of white, ox of red brown, grass and corn of green, wheat and branches underfoot of yellow, heraldic wreath to be blue and silver twisted); ship under full sail to have a dark hull and white sails; date, December 7, 1787, to be white; cord and tassels to be blue and gold.
Link here to the Arizona State Historical Society for facts, figures, and history of Arizona.