B♭ Diminished Guitar Chord B♭dim

Notes
B♭ D♭ F♭
Intervals
1 ♭3 ♭5
Also written
A♯dim

12 triad shapes on four string sets, drawn exactly as Chord Lab draws them.

Open B♭ diminished in Chord Lab

B♭ diminished triads on every string set

B♭, D♭ and F♭ as three-note triads: root position, 1st and 2nd inversion on each string set of three neighbouring strings, lowest set first.

Strings 4–6

Root positionStrings 4–6421xxx23456
1st inversionStrings 4–6312xxx7891011
2nd inversionStrings 4–6231xxx1112131415

Strings 3–5

Root positionStrings 3–5x421xx910111213
1st inversionStrings 3–5x312xx23456
2nd inversionStrings 3–5x231xx678910

Strings 2–4

Root positionStrings 2–4xx421x56789
1st inversionStrings 2–4xx413x910111213
2nd inversionStrings 2–4xx121x23456

Strings 1–3

Root positionStrings 1–3xxx4311213141516
1st inversionStrings 1–3xxx21356789
2nd inversionStrings 1–3xxx131910111213

What B♭ diminished does in a key

Every key in which B♭dim is diatonic, with the scale degree it sits on.

Major keys
vii° in C♭ major
Minor keys
ii° in A♭ minor; vii° in B harmonic minor (as A♯dim)

Harmonic minor keys use the harmonic minor scale, with its raised 7th.

Where B♭ diminished often goes next

Other chords on B♭

Diminished chords in every key

Drop 2, Drop 3 and shell voicings in Chord Lab Pro

Drop 2, Drop 3, Drop 2+4, close and shell voicings of major 7, minor 7 and dominant 7 chords are in Chord Lab Pro.

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