Red-violet (#922B3E) and Rich black (#010203) appear together across 5 master palettes in our corpus, most prominently in the work of Mikhail Shibanov, Anita Malfatti, and Agnolo Bronzino and the Neoclassicism tradition. Painters typically deployed red-violet at an average of 6% of the canvas, with rich black at 19%. Third colors most often completing the combination include Dark purple (#301934), Old mauve (#673147), and Firebrick (#B22222).