Purple navy (#4E5180) and Raisin black (#242124) appear together across 6 master palettes in our corpus, most prominently in the work of Carlos Quizpez Asín, Christian Rohlfs, and Aleksandra Ekster and the Cubism tradition. Painters typically deployed purple navy at an average of 21% of the canvas, with raisin black at 12%. Third colors most often completing the combination include Davy's grey (#555555), Khaki (#C3B091), and Bone (#E3DAC9).