New blue British passports will be issued next month for the first time in 30 years.
The blue passports will be sent out at the end of March but leftover burgundy stock will continue to be used until stock runs out.
British passports were dark blue from the inception of the old design in 1920, until 1988 when they were changed to burgundy in line with most EU passports.
Those who voted leave and are keen to get a Brexit passport as soon as possible will have to wait to renew their passports until next year if they want to ensure they get a blue one.
Those renewing before the summer won’t have any choice which colour they get, the Home Office added.
Passports that are still in date will remain valid until their expiry date, but you may need to renew your British passport earlier if you are travelling from January 1, 2021.