The B-flat dominant eleventh chord (B♭11) is a six-note chord consisting of the notes B♭, D, F, A♭, C, and E♭. It is built by adding the major ninth (C) and perfect eleventh (E♭) to the B♭ dominant seventh chord, creating a rich and complex harmony that combines the stability of the major triad with the tension of the seventh and the extended color tones of the ninth and eleventh. This chord is widely used in jazz, fusion, and contemporary music to introduce sophisticated harmonic textures and a sense of forward motion in chord progressions. The B-flat dominant eleventh chord functions as a dominant chord, often leading naturally to the tonic, while its extended tones provide lush, expressive sound that enhances melodic lines and improvisation. Its distinctive blend of tension and resolution makes it a valuable tool for musicians seeking depth and harmonic interest.
Name: B-flat dominant eleventh chord
Notes: B♭, D, F, A♭, C, E♭
Intervals: 1, 3, 5, ♭7, 9, 11
Chord symbol: B♭11
Type: Hexad (six-note chord)
B-flat dominant eleventh chord on the Staff
B-flat dominant eleventh chord on Piano
B-flat dominant eleventh chord on Guitar
B-flat dominant eleventh chord on Ukulele

Rowan Ellis is a musician and educator with a passion for exploring the language of harmony and melody. With years of experience across classical, jazz, and contemporary styles, Rowan breaks down music theory into clear, practical insights. His goal is to make chords and scales less intimidating and more inspiring for every musician.
