Symbolism plays a significant role in conveying deeper themes throughout Tokyo Revengers by using various symbols to represent complex ideas and emotions. For example, the black and white colors in the series symbolize the contrast between good and evil or past and present. Additionally, the recurring imagery of the Tokyo Manji Gang emblem represents loyalty, camaraderie, and the characters' interconnectedness. Overall, these symbolic elements help enhance the storytelling and provide deeper insights into the characters' motivations and the overarching themes of the series.