Flag of the United Nations

The flag of the United Nations was created on December 7, 1946, and is made up of the official emblem of the United Nations in white on a blue background. It was designed by Donal McLaughlin.^[2][3]

United Nations

Proportion	2:3 or 3:5[1]
Adopted	December 7, 1946
Design	A white UN emblem (a polar azimuthal equidistant projection world map surrounded by two olive branches) on a blue background.
Designed by	Donal McLaughlin (emblem only)

The olive branches are a symbol for peace, and the world map represents all the people and the countries of the world.

White and blue are the official colours of the United Nations.