The design uses a strict black-and-red color palette to build a mysterious, ominous, and slightly threatening mood — red for blood, danger, and drama, black for shadows and secrecy.
Minimalist silhouette compositions of detectives, crime scenes, and symbolic objects create strong visual impact and timeless intrigue.
Abstract shapes add a subtle, geometric sophistication reminiscent of classic detective fiction aesthetics, while keeping the overall style clean, dramatic, and instantly recognizable across the series.