National Flag of the Democratic People's Republic of Korea

The red colour of the national flag of the Democratic People's Republic of Korea symbolizes the red blood shed by the revolutionary forerunners and the might of the united people. It shows that the DPRK is a state whose fundamental idea is to accomplish the independent cause of the popular masses by carrying forward the noble spirit of the revolutionary forerunners.
The white circle and two white stripes of the national flag represent that the DPRK is a genuine people's country where the people are the masters and which enjoys their absolute support and trust. They also show the pure loyalty of the Korean people to the leader's guidance. In addition, they reflect the meaning that the Korean nation is a homogeneous nation that has lived in one territory with the same blood, language and culture.
The two blue stripes on the upper and lower parts of the national flag show a rosy future of the DPRK. The blue colour reflects the valiant Korean people struggling to build an independent, prosperous and powerful state on this land with their own strength, technology and resources and their spirit aspiring after peace and progress of the world.
The red five-point star on the flag symbolizes the glorious revolutionary traditions provided by the great leader Kim Il Sung and comprehensively inherited by the DPRK government, the revolutionary stamina of the Korean people fighting for the accomplishment of the revolutionary cause of Juche, and the bright future of the DPRK to be prosperous forever.
The national flag of the DPRK represents the revolutionary and popular character of the state and a great ambition and will of the Korean people.

Answer: Blue and Red Flag of the DPRK