Indigo is a color between blue and violet.

Indigo or INDIGO may also refer to:

Companies

  • IndiGo, an airline based in India
  • Indigo Airlines, an American airline
  • Indigo (restaurant), a restaurant in Mumbai, India
  • Canal Indigo, a pay-per-view TV network
  • Hotel Indigo, a hotel chain
  • Indigo Agriculture, a startup company that uses plant microbiomes to strengthen crops
  • INDIGO Beijing, a shopping centre in China
  • Indigo Books and Music (stylised !ndigo), a Canadian bookstore chain
  • Indigo Film, an Italian film production company
  • Indigo Internet, an internet service provider
  • Indigo Park Services UK Limited, a parking company
  • Indigo Partners, a private equity firm
  • Indego, a public bike sharing system in Philadelphia, Pennsylvania
  • IndyGo, a public bus agency in Indianapolis, Indiana

Film

  • Indigo (film), a 2003 film by Stephen Simon
  • Indigo, a character in Rainbow Brite and the Star Stealer

Literature

  • Indigo (Hoffman novel), a 2002 novel by Alice Hoffman
  • Indigo (Warner novel), a 1992 novel by Marina Warner
  • Indigo (comics), a DC Comics character
  • Indigo Digital Press, a series of printing presses
  • Indigo Publications, publishes websites and newsletters
  • Indigo, a novel by Graham Joyce
  • Indigo, series of fantasy novels by Louise Cooper
  • Indigo, an imprint of Orion Publishing Group catering for the teen market

Music

  • The Indigo, a Japanese band

Albums

  • Indigo (Matt Bianco album), 1988
  • Indigo (Chris Brown album), 2019
  • Indigo (Diego Gonzalez album), 2008
  • Indigo (Maja Keuc album), 2011
  • Indigo (Never Shout Never album), 2012
  • Indigo (RM album), 2022
  • Indigo (Wild Nothing album), 2018
  • Indigo: Women of Song, a 2004 album by Olivia Newton-John
  • Indigo, a 1991 album by Patrick O'Hearn
  • Indigo, a 2018 album by Kandace Springs

Songs

  • "Indigo" (Chris Brown song), 2019
  • "Indigo" (Justhis, Kid Milli, Noel, and Yang Hong-won song), 2018
  • "Indigo" (Peter Gabriel song), 1978
  • "Indigo" (Sam Barber song), 2024
  • "Indigo", a 2016 song by Almah from E.V.O
  • "Indigo", a 2007 song by Epica from The Divine Conspiracy
  • "Indigo", a 2016 song by Invent Animate from Stillworld
  • "Indigo", a 2025 song by MGK from Lost Americana
  • "Indigo", a 2000 song by Moloko from Things to Make and Do
  • "Indigo", a song by Niki from Head in the Clouds II
  • "Indigo", a 2023 song by Of Mice & Men from Tether
  • Indigo, a 2016 opera by Eicca Toppinen and Perttu Kivilaakso

Natural

  • Indigo bush
  • Indigo dye, an organic compound with a distinctive blue color
  • Indigofera, a genus of flowering plants used to produce indigo dye
  • Indigofera tinctoria, the species most often used in production of indigo dye
  • Indigo snake Drymarchon, a genus of large nonvenomous snakes
  • Wild indigo, a herbaceous perennial plant
  • Indigo bunting, a small seed-eating bird in the cardinal family

Places

  • Indigo Valley, Victoria, Australia
  • Shire of Indigo, Victoria, Australia
  • Indigo Lake, Alaska
  • Indigo Tunnel, an abandoned railroad tunnel in Maryland
  • Indigo Lake, Ohio

Radio stations

  • Indigo 91.9 FM, an Indian radio station
  • Indigo FM (Australia), an Australian radio station
  • Indigo FM, a radio station broadcasting to the South Lakes and North Lancashire area in the United Kingdom

Technology

  • Indigo (messaging system), part of the Windows .NET software framework
  • Indigo (virtual assistant), an intelligent personal assistant for mobile devices
  • Indian Initiative in Gravitational-wave Observations (INDIGO), a proposed gravitational wave detector
  • Project Indigo, Indian/Swiss attempt to develop an intermediate-range surface-to-air missile
  • SGI Indigo, a line of workstation computers
  • Indigo, a postpaid cellular service by Mobilink in Pakistan
  • Indigo, a release of Eclipse

Transport

  • IndiGo, a low-cost Indian airline
  • Indigo Airlines (American airline), a defunct airline
  • Ford Indigo, a concept car by Ford Motor Company
  • Indigo 3000, a Swedish roadster
  • Tata Indigo, an Indian compact car
  • Indego, a public bike sharing system in Philadelphia, Pennsylvania
  • IndyGo, a public bus agency in Indianapolis, Indiana

Other uses

  • Indigo (actress) (born 1984), American television and voice actress
  • Indigo (board game)
  • Indiana County Transit Authority (IndiGO)
  • Indigo children, a New Age concept, children who are believed to possess special traits or abilities
  • Indigo Era, an economics theory
  • Indigo (given name), the given name

See also

  • Captain Indigo, a character in the television series Captain Scarlet and the Mysterons
  • Indiggo, a Romanian-American singing duo
  • Indigo carmine, a pH indicator and food colorant
  • Indigo Girls, American folk rock band
  • Indigo Lake (disambiguation)
  • Indigo revolt, a Bengali peasant movement
  • Indigo Tribe, a fictional organization in DC Comics
  • Indigo Walker, a character in the television series Home and Away
  • Endigo, Swedish-Japanese drag queen