The flag of the Democratic Republic of Congo has a sky blue field with a red diagonal stripe bordered by two thin yellow stripes running from the lower hoist side to the upper fly side. In the upper hoist-side corner, there is a yellow five-pointed star.

Color codes:

• Sky Blue: Pantone 299 C, HEX #00A1DE
• Red: Pantone 186 C, HEX #E30A17
• Yellow: Pantone 116 C, HEX #FFCD00

Aspect ratio: 3:2

Geometric properties and measurements:

• The red diagonal stripe forms an angle of approximately 45 degrees with the horizontal edges.
• The width of the red stripe is equal to 1/6th of the flag's height.
• The width of each yellow stripe is equal to 1/24th of the flag's height.
• The distance between the yellow stripes and the red stripe is equal to 1/24th of the flag's height.
• The yellow star has a diameter equal to 2/3rds of the flag's height and is centered in a square whose sides are equal to 1/3rd of the flag's height.