The flag of Jersey has an aspect ratio of 3:5. It consists of a red saltire (diagonal cross) on a white field with a red shield in the upper quadrant, closest to the hoist side. The shield contains the three leopards of Normandy in yellow.

Color Codes:

• Red: Pantone 186 C, HEX #CE1126
• White: Pantone Safe, HEX #FFFFFF
• Yellow (Leopards): Pantone 116 C, HEX #FFCD00

The red saltire divides the flag into four equal triangles with their bases along the edges of the flag. The width of the saltire's arms is 1/15th the length of the flag. The shield's dimensions are 6/15ths of the flag's width by 4/15ths of the flag's length, and it is positioned 1/15th of the flag's length away from the top and hoist edges.