The 7 red stripes, together with the 6 white stripes, on the US Flag stand for the 13 British North American colonies that initially formed the Union. There is no special meaning for the red, as opposed to the white, stripes.
it stands for purity The American Flag consists of seven horizontal red stripes and six horizontal white stripes. The total number of stripes equals 13 and represents the thirteen original colonies which rebelled against British rule.
Congress gives credit to Francis Hopkinson who designed the flag. The first flag was made for the navy in 1776 and it was a basic British flag with stripes. The second flag had stars where the British flag had a cross.