Guitar, piano and ukulele chords

B♭dim chord (B flat diminished)

The B♭dim chord (B flat diminished) has 3 notes: B♭, D♭ and F♭. It is a diminished chord: root, minor third and diminished fifth. It sounds very tense and unstable. It works as vii° in B major and ii° in G sharp minor.

How to play it on guitar

An x is a string you don't play and 0 is an open string. The number on the left is the fret where the shape starts.

××
Usual shape
x1232x
5fr ××
Easy version
xx8656

Notes in the chord

NoteInterval
B♭Root
D♭Minor third
F♭Diminished fifth

Inversions

  • Root position: B♭ – D♭ – F♭
  • First inversion: D♭ – F♭ – B♭
  • Second inversion: F♭ – B♭ – D♭

On piano

The highlighted keys (B♭, D♭ and F♭) make the chord in root position.

On ukulele

3fr
Usual shape
3464
7fr
Higher up the neck · fret 7
91097

Progressions to practise it

Open them in the chord progression player to loop them and write over them.

Frequently asked questions

What notes are in the B♭dim chord?

B♭dim has 3 notes: B♭, D♭ and F♭. It is a diminished chord: root, minor third and diminished fifth.

How do you play B♭dim on guitar?

The usual shape is x1232x, read from the low E string to the high E string. If you can't play barre chords yet, start with the easy version: xx8656.

What keys is B♭dim in?

B♭dim is in B major (vii°) and G sharp minor (ii°).