The national Flag of Luxembourg red, white, and blue colors of the flag of Luxembourg were first adopted in 1830 and may have been derived from the colors of the County of Luxembourg. flagsworld,The colors are often considered revolutionary colors since they were adopted during the Belgian Revolution. Red signifies vibrancy, revolution, and power. It also signifies determination and courage of the people. White in the middle signifies harmony, peace, and innocence of the Luxembourg people.