I'm pretty sure that is Phantom Purple. Paint code: 34N. Was also a Mazda paint around that time.
I think there was a Falcon Phantom Purple colour as well that was different, so make sure you don't get that one. To add further confusion there was a Phantom Blue in that Fiesta series, so avoid that one as well!
This is a good example.
https://www.carsales.com.au/cars/for...purple-colour/