Annex INSTRUCTIONS CONCERNING THE EMBLEM AND DEFINITION OF THE STANDARD COLOURS SYMBOLIC DESCRIPTION
United Kingdom
Against a background of blue sky, twelve golden stars form a circle representing the union of the peoples of Europe. The number of stars is fixed, twelve being the symbol of perfection and unity.
For full details and guidance, see http://ec.europa.eu/dgs/communication/services/visual_identity/pdf/use-emblem_en.pdf