Oxford blue (#002147) and Smoky black (#100C08) appear together across 6 master palettes in our corpus, most prominently in the work of Herbert James Draper, Mykola Yaroshenko, and Boleslas Biegas and the Precisionism tradition. Painters typically deployed oxford blue at an average of 32% of the canvas, with smoky black at 11%. Third colors most often completing the combination include Platinum (#E5E4E2), Independence (#4C516D), and Bone (#E3DAC9).