The Robinson Rangers commonly use a ceremonial paint scheme of deep red and black.
Per FM:Federated Suns, page 100
Centurion, FM: Federated Suns (plate 6)
Sagittaire, TRO 3067 (front cover)
Sagittaire, CB: Miniatures Rules (p 19)
Sagittaire, Cestus, CB: Miniatures Rules (p 7)
Orion, CB: Miniatures Rules (p 63)
The unit insignia is a single red arrow set against a gold shield. The First Rangers uses the standard Rangers insignia. Per FM:Federated Suns, pages 100 and 101.