Blue Hour Photography

- A series of city scenes by David Mamet collected in his Goldberg Street: Short Plays and Monologue anthology
- Blue Hour (2003), a book by Carolyn Forché
- Blue Moon (2009), the second novel in the The Immortals series by Alyson Noël
- Blue Noon (2005), the third book in Scott Westerfeld's Midnighters trilogy