St. Patrick's blue (#23297A) is a deep cool shade that appears across 4 master palettes in our corpus, most prominently in the work of Jean Fouquet, Rockwell Kent, and Luigi Russolo and the Northern Renaissance tradition. Master painters paired it most often with Medium champagne (#F3E5AB), Rufous (#A81C07), and Smoky black (#100C08). The combination forms an austere, contemplative chord, built on a complementary hue split, leans on warm companions to lift a cool source color, with the pair colors held at a similar value to the source.
