Constitution of HamburgArchived June 10, 2007, at the Wayback Machine (Article 5) (in German) Article 5 (1) The state colours are white-red. (2) The state coat-of-arms shows on a red escutcheon a white castle with three towers and a closed gate. (3) The state flag shows the white castle of the state coat-of-arms on a red field. (4) The law determines the details about the flag and the arms.
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Constitution of HamburgArchived June 10, 2007, at the Wayback Machine (Article 5) (in German) Article 5 (1) The state colours are white-red. (2) The state coat-of-arms shows on a red escutcheon a white castle with three towers and a closed gate. (3) The state flag shows the white castle of the state coat-of-arms on a red field. (4) The law determines the details about the flag and the arms.