Blu Farias Hunt was born in Placer County, California to mother (née Andreotti) and father (Hunt),and grew up in a suburban environment.Her grandmother is part of the Oglala Lakota Nation and was from the Pine Ridge Reservation in South Dakota.Her great-grandfather was Apache. She studied at the American Academy of Dramatic Arts.
She is best known for her roles as Inadu/The Hollow in The CW supernatural drama series The Originals (2017) and as August Catawnee in the Netflix science fiction drama series Another Life (2019–2021). Hunt made her film debut as Danielle Moonstar / Mirage in the superhero film The New Mutants (2020), which is part of the X-Men film series.