Chords in the key of B♭ Major

All 7 diatonic chords of the B♭ Major major key with Roman numeral analysis.

Diatonic chords in B♭ Major

These seven chords naturally form on each scale degree. They are the harmonic backbone of any song in B♭ Major.

DegreeRomanChordOpen chord page
1IB♭Open chord page
2iiCmOpen chord page
3iiiDmOpen chord page
4IVE♭Open chord page
5VFOpen chord page
6viGmOpen chord page
7vii°Open chord page

B♭ Major on the piano

B♭ Major on the pianoCDFGACDFGAE♭B♭E♭B♭B♭ MajorB♭ · C · D · E♭ · F · G · A

Common progressions in B♭ Major

The most popular chord progressions written in this key. Click any progression to hear it.

Tonally close keys you can borrow chords from or modulate to.

Relative key
G Natural Minor
Gm · A° · B♭ · Cm · Dm · E♭ · F

Frequently asked questions

What chords are in the key of B♭ Major?
The key of B♭ Major contains seven diatonic chords: B♭, Cm, Dm, E♭, F, Gm, A°. They are built on each degree of the B♭ Major scale.
Why do these chords sound good together?
Every chord in B♭ Major is built using only notes from the B♭ Major scale, so they share the same tonal center and naturally resolve to the I chord.
What are the most common progressions in B♭ Major?
Pop and rock songs in B♭ Major usually rely on I–V–vi–IV, I–IV–V and ii–V–I. Each appears in our progression library with audio.
How do I transpose a song to B♭ Major?
Use our free Chord Transposer, paste the original chords and shift them to B♭ Major. The tool keeps the relationships between chords intact.

Take B♭ Major into your music

Build progressions, find voicings and transpose songs in B♭ Major with our free tools.