Jeff,I got my '95 Imperial Blue Cossie through Sun International in California. Here is what info I have on my paint:
Cossie paint code:
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touch-up paint:

Imperial Blue (Imperial-Blau, Azul Imperiale)
part no. 18 ml 6 999 357

Clear Lacquer (Klarlack, Barniz transparente)
part no. 18 ml 1 658 200
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paint code on car: ABSJ 92167

I don't know if ford US has a matching color. My car does not really look very purple in the sunlight. Hope this helps!

Alaskossie
Anchorage, Alaska USA