Blue Light or Blue light may refer to:

Science and technology

* Portion of the visible spectrum related to the

blue Blue is one of the three primary colours in the RYB color model, RYB colour model (traditional colour theory), as well as in the RGB color model, RGB (additive) colour model. It lies between Violet (color), violet and cyan on the optical spe ...

color ** Blue laser ** Blue LED *

Cherenkov radiation Cherenkov radiation () is electromagnetic radiation emitted when a charged particle (such as an electron) passes through a dielectric medium (such as distilled water) at a speed greater than the phase velocity (speed of propagation of a wavefro ...

, the physical phenomenon responsible for the characteristic blue glow in nuclear reactors * Blue light (pyrotechnic signal), a firework composition used for night-time signaling and illumination *

Biological effects of high-energy visible light Biology is the scientific study of life and living organisms. It is a broad natural science that encompasses a wide range of fields and unifying principles that explain the structure, function, growth, origin, evolution, and distribution of ...

Military

* Blue Light (counter-terrorist subunit), a 1970s US counter-terrorist subunit of the United States Army's 5th Special Forces Group

Emergency services

* Blue lights, also known as blues and twos services, British emergency services * Blue lights, emergency telephone systems meant to deter crime, specially designed for use on campuses

Arts, entertainment and media

Film and television

* ''The Blue Light'' (1932 film), a 1932 film directed by Leni Riefenstahl * ''The Blue Light'' (2003 film), a 2003 Japanese film directed by Yukio Ninagawa * ''Blue Light'' (TV series), a 1966 television series starring Robert Goulet * ''Blue Lights'' (2023 TV series), a British television series

Literature

* ''Blue Light'' (novel), 1998 novel by Walter Mosley * ''Blue Light'', an alternative title to '' The Transall Saga'', a novel by Gary Paulsen * "The Blue Light" (fairytale), a Brothers Grimm fairy tale

Music

Albums and EPs

* ''Blue Light'', an EP by Aoife O'Donovan released in 2010 * ''Blue Lights'' (album), an album by Kenny Burrell released as two volumes in 1958

Songs

* "Blue Light", a song by Armageddon Dildos from their 1997 album ''Speed'' * "Blue Light", a song by Bloc Party from their 2005 album '' Silent Alarm'' * "Blue Light", a song by David Gilmour from his 1984 album '' About Face'' * "Blue Light", a song by Mazzy Star from their 1993 album '' So Tonight That I Might See'' * "Blue Light", a song by Miranda Sex Garden from their 1992 EP '' Iris'' * "Blue Light", a song by Mitski from her 2018 album '' Be the Cowboy'' * "Blue Light", a song by Mostly Autumn from their 2006 album '' Heart Full of Sky'' * "Blue Light", a song by Prince from the '' Love Symbol Album'' * "Blue Light", a song from '' Braggin' in Brass: The Immortal 1938 Year'' * "Blue Lights" (song), a song by Jorja Smith from her 2018 album ''Lost & Found'' * "The Blue Light", a song by Frank Zappa from his 1981 album '' Tinsel Town Rebellion''

Other uses

* Blue Light (horse) (born 1958), Canadian racehorse * Blue Light, a Canadian beer made by the

Labatt Brewing Company Labatt Brewing Company Limited () is a Anheuser-Busch InBev-owned brewery headquartered in Toronto, Ontario, Canada. Founded in 1847, Labatt is the largest brewer in Canada. In 1995, it was purchased by Belgian brewer Interbrew. In 2004, Interb ...

* Blue Light Specials, sales held at

Kmart Kmart ( ), formerly legally registered as Kmart Corporation, now operated by Transformco, is a department-store chain and online retailer in the United States and Territories of the United States, its territories. It operates four remaining Kma ...

stores *

Bluelight (web forum) Bluelight is a Internet forum, web-forum, research portal, online community, and Nonprofit organization, non-profit organization dedicated to harm reduction in Recreational drug use, drug use. Its userbase includes current and former substance us ...

, a web forum dedicated to harm reduction in drug use