Beau blue (#BCD4E6) and Maroon (#800000) appear together across 1 master palette in our corpus, most prominently in the work of Francis Gruber and the Expressionism tradition. Painters typically deployed beau blue at an average of 15% of the canvas, with maroon at 17%. Third colors most often completing the combination include Deep Space Sparkle (#4A646C), Eerie black (#1B1B1B), and Light slate gray (#778899).