National flag

United Kingdom

Union Flag
Download image (PNG)
Flag type
National flag
UK Design Code
UNKG0001
Flag date
1st January 1801
Designer
College of Arms
Adoption route
Act of Parliament
Aspect ratio
3:5 or 1:2
Pantone colours
Blue 280WhiteRed 186
Certification
King George III

About the flag

The United Kingdom Flag is the national flag of the United Kingdom of Great Britain and Northern Ireland, formerly the United Kingdom of Great Britain and Ireland, created by the Act of Union (1801).

The flag is 3:5 on land and 1:2 at sea.

The thicker white diagonal should fly uppermost next to the flagpole.