[1] Since the middle ages, it is the colour of the House of Savoy, the royal dynasty of the Kingdom of Italy from 1861 to 1946.

The origin of the colour seems to date back to 20 June 1366 when Amadeus VI, Count of Savoy, before leaving for the Alexandrian Crusade to help his cousin, the Byzantine emperor John V Palaiologos, wanted that on the flagship of the fleet of 17 ships and 2,000 men, a galley from the Republic of Venice, waved, next to the red banner with the silver cross of the Savoys, a blue flag:[2] [...] of devotion of Azure Banner with the image of Our Lady in the field sown with stars (gold).

[6] For the officers, a blue sash was provided in the outfit, worn passing over the right shoulder and knotted on the left side.

[6] Through various transformations, the Savoy blue sash is still the main insignia of the Italian armed forces' officers, who dress it both in ceremonial services and, sometimes, on guard.

In the sporting field, the Savoy blue distinguishes almost all of the athletes who represent Italy internationally in any discipline: the origin of the use of this colour dates back to 6 January 1911, when the Italy national football team faced in Milan the Hungary national football team.