Details

red, with the flag of the UK in the upper hoist-side quadrant and the Bermudian coat of arms (a white shield with a red lion standing on a green grassy field holding a scrolled shield showing the sinking of the ship Sea Venture off Bermuda in 1609) centered on the outer half of the flag; it was the shipwreck of the vessel, filled with English colonists originally bound for Virginia, that led to the settling of Bermuda

note: the flag is unusual in that it is only British overseas territory that uses a red ensign, all others use blue