"Regardless" was released for digital download and streaming as part of Raye's debut mini-album, Euphoric Sad Songs, on 20 November 2020.
Contact Music described Raye's vocals as "silky smooth" that "have a sultry sheen, [adding] a chic finish" to the track.
[5] Written by Raye, Nadia Ali and Markus Moser, it runs for a length of 3 minutes and 17 seconds.
[6] The song samples iiO's 2001 single, "Rapture", resulting in Ali and Moser's writing credit.
[9][10] In the video, Raye and her crew perform choreography to the track in an infinity pool.