Ayato has long, pale blue, asymmetrical shoulder-length hair, pale skin, light purple eyes, and a small mole under his lip.

Ayato prefers to wear a white suit with blue floral accents, black gloves, and black shoes. 

 He is often seen with his favorite drink, bubble tea. Ayato drinks bubble tea more often than any other drink, which makes many people think that he only drinks it, but in reality, Ayato is a connoisseur of wine, especially Mondstadt's dandelion wine.