Mode 7 of Cb Major Scale

Bb Locrian

Space plays and stops
Notes
BbCbDbEbFbGbAb
Steps
H W W H W W
Intervals
m2 2 2 m2 2 2

The major scale and its modes are the most commonly used scales in western music.

Bb Locrian is the 7th mode of the Cb Major Scale: its notes, Cb Db Eb Fb Gb Ab Bb, played from Bb.

Chords it fits