Age: 15
Birthday: December 22
Height: 175 cm (5'9")
Hair color: black
Eye color: green (manga), dark blue (anime)
Megumi is a tall, dark-haired boy with blue eyes. He wears the standard uniform of Tokyo Metropolitan Magic Technical College which consists of a long-sleeved shirt and a high collar of dark color, dark trousers and shoes.
(Source: Jujutsu Kaisen Wiki)