The flag consists of a cobalt background with a side ratio of 1:1.5 (100 X 165 cm). In the top-left corner of the flag there is a circle, with a radius of 20 cm. The circle's center is 49 cm from the left border of the flag and 39 cm from the top border. Seventeen yellow and 14 white smaller stars, 4 cm in size, surround it. The Luhansk Oblast's small coat of arms is located within the circle.