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Chords in the key of B♭ Major

The seven chords of B♭ Major and the 7th chord on each, with the key signature and the keys closest to it.

Short answer

The key of B♭ Major contains seven diatonic chords: B♭, Cm, Dm, E♭, F, Gm, A°. They're built on each degree of the B♭ Major scale.

Tonic
B♭
Key signature
2 flats
Scale
B♭ C D E♭ F G A
Relative key
G Natural Minor
Dominant
F
Parallel key
B♭ Natural Minor

Diatonic chords in B♭ Major

Build a triad on each note of the B♭ Major scale and you get these seven chords. Add one more scale note on top and you get the 7th chord beside it.

DegreeTriad7th chordHear
IB♭B♭maj7
iiCmCm7
iiiDmDm7
IVE♭E♭maj7
VFF7
viGmGm7
vii°A°Am7♭5

Key signature of B♭ Major

B♭ Major has 2 flats: B♭, E♭. The signature at the start of each staff line makes those notes flat all the way through, unless an accidental says otherwise.

Practise reading key signatures

B♭ Major on the piano

Show:
B♭ Major on the pianoCDFGACDFGAE♭B♭E♭B♭B♭ Major - B♭ · 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.

I–V–vi–IV in B♭ major
B♭FGmE♭
I–IV–V in B♭ major
B♭E♭F
ii–V–I in B♭ major
Cm7F7B♭maj7
I–vi–IV–V in B♭ major
B♭GmE♭F
I–IV–V–I in B♭ major
B♭E♭FB♭
I7–IV7–I7–V7 in B♭ major
B♭7E♭7B♭7F7
vi–IV–I–V in B♭ major
GmE♭B♭F
I7–I7–I7–I7–IV7–IV7–I7–I7–V7–IV7–I7–V7 in B♭ major
B♭7B♭7B♭7B♭7E♭7E♭7B♭7B♭7F7E♭7B♭7F7

Related keys

The keys a song in B♭ Major most often borrows chords from or moves to.

CGDAEBC♭F♯G♭D♭C♯A♭E♭B♭FAmEmBmF♯mC♯mG♯mA♭mD♯mE♭mB♭mA♯mFmCmGmDmMajorMinor
B♭ Major is lit, with its relative key and the keys a fifth either side.

Questions people ask

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're built on each degree of the B♭ Major scale.
How many sharps or flats are in B♭ Major?
B♭ Major has 2 flats: B♭, E♭. The signature at the start of each staff line makes those notes flat all the way through, unless an accidental says otherwise.
What are the 7th chords in B♭ Major?
Adding a seventh to each chord of B♭ Major gives B♭maj7, Cm7, Dm7, E♭maj7, F7, Gm7, Am7♭5.
What is the relative key of B♭ Major?
It's G Natural Minor. It uses exactly the same notes and key signature as B♭ Major, but its music centres on G.
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.
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.
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.

Related chords, scales and keys