Co Lee, Don Sea, Indigo is a South Korean R&B and hip-hop influenced artist collective and solo project associated with the contemporary Korean indie and alternative urban music scene. Emerging in the 2010s and active into the 2020s, the work linked to these names blends smooth R&B vocalism, lo-fi electronic production, and elements of neo-soul and bedroom pop, often featuring intimate, melodic songwriting and understated, groove-oriented arrangements. Their music is characterized by mellow textures, relaxed tempos, and an emphasis on atmosphere and mood over maximalist production, reflecting a wider trend in South Korea toward hybrid, genre-blurring approaches to modern urban music.