The characters' names contain meanings that reflect their history:
- Kaoru Hanabishi: "kaoru" means "fragrant", and "hanabishi" is a flower-shaped crest.
- Aoi Sakuraba: "aoi" means "blue" (and also translates to "hollyhock"), and "sakuraba" means "cherry blossom".
- Miyabi Kagurazaki: "miyabi" means "refinement", hinting at her being Aoi's guardian
- Taeko Minazuki: "taeko" means "delicate child", referring to her clumsy personality.
- Mayu Miyuki: "mayu" means "cocoon", referring to her family owning a silk company (silk is made from cocoons)
- Chika Minazuki: "chika" means "near".
- Uzume: Uzume is named after Ame-no-Uzume, the goddess of Japanese Mythology who was responsible for luring Amaterasu out of the Heavenly Cave.
The series title "Ai Yori Aoshi" ("Bluer Than Indigo") is based on an old Chinese proverb: blue dye is made from indigo-colored grass, yet the blue dye's color is much deeper than the color of its origin. In other words, the pupil has exceeded the master.
Based on a manga series first serialized in "Young Animal", a Japanese men's magazine.