The flag of Jersey features a red St. George's Cross on a white background, with a red shield outlined in yellow and containing three yellow leopards. Here are the details:

• Color codes:

  • Red: Pantone 186C, HEX #C8102E
  • Yellow: Pantone 116C, HEX #FFCD00
  • White: HEX #FFFFFF

• Aspect ratio: 3:5 (length to width)

• Geometric properties and measurements:

  • St. George's Cross: The width of each arm of the cross is 1/10 of the flag's height.
  • Shield: Positioned in the upper quarter of the hoist side, with a height equal to 2/5 of the flag's height; centered horizontally and vertically within the first quadrant.

Other relevant information:

• The flag was adopted on December 7, 1980.