Abstract: This paper tries to identify the colours of 30 architectural buildings that become icons and can represent the character of Bandung city. The architecture buildings are classified into 7 groups according to their functions, namely, worship places, museums, hotels, schools, banks, offices, and cultural-social activities. This research was conducted with literature studies, field investigations, and analysis using Photoshop software to obtain the colour of Bandung city, the factors that influence colour formation and composition, and the challenges faced concerning the colour of Bandung city.