Yellow symbolizes sovereignty and justice, blue as loyalty and vigilance, and red represents the valor shown and the victory achieved during the battles for independence from Spain.
The national flag of Colombia was adopted on November 26, 1861.[1] It is a horizontal tricolour of yellow, blue and red. The yellow stripe takes up the top half of the flag and the blue and red take up a quarter of the space each. It is a triband flag with horizontal bands colored yellow, blue and red. Vertically the yellow occupies 50% and the other 50% is shared by the blue and red colors in equal proportion.