UK flag meaning: The British flag is a combination of three crosses – red, white and blue. These colors represent the nations’ patron saints - Andrew for Scotland, George for England and Patrick for Ireland. Together, these three countries form the United Kingdom. Red has always been a symbol of valor, bravery and strength in battle; while white stands for peace and neutrality as well as truth and sincerity. Finally, blue was seen as a sign of watchfulness, justice and loyalty while representing good health too.