The flag of Nauru has a blue field with a thin yellow stripe horizontally across the center. A white 12-pointed star is centered in the yellow stripe. The ratio of the width to length of the flag is 1:2, and the geometric properties of the flag are based on rectangles. The blue color used in the flag is Pantone 280C (#0A3E91), the yellow stripe is Pantone Yellow C (#FCD116), and the white star is pure white. The diameter of the star is one-third the height of the flag.