A♭ Diminished Chord on Guitar
The A♭ Diminished chord contains A♭, B and D — 3 notes. Every position is marked across the whole fretboard below, labelled with note names and with interval numbers, and the tuning of each string can be changed.
- Root
- Minor 3rd
- Augmented 4th
| Degree | 1 | ♭3 | ♯4 |
|---|---|---|---|
| Note | A♭ | B | D |
| Interval | Root | Minor 3rd | Augmented 4th |
Note names

Interval numbers

Scales containing A♭ Diminished
| Major (Ionian) | A |
| Natural Minor (Aeolian) | F# |
| Dorian | B |
| Phrygian | D♭ |
| Lydian | D |
| Mixolydian | E |
| Locrian | A♭ |
| Harmonic Lydian (Lydian ♭6) | C |
| Harmonic Minor | C E♭ F# A |
| Melodic Minor | A B |
| Melodic Minor ♯4 | D F A♭ B |
| Gypsy Minor (Hungarian Minor) | C A♭ |
| Dominant Pentatonic (Mixolydian Pentatonic) | E |
| Minor Sixth Pentatonic | B |
| Blues | A♭ |
| Dominant Diminished (M2) | D♭ D E F G A♭ B♭ B |
| Tcherepnin (M3) | D F# B♭ |
Circle of fifths
Chords inside A♭ Diminished
No chord in the list has fewer notes than this one.
Frequently asked questions
What notes are in the A♭ Diminished chord?
A♭, B and D. That is 3 notes.
How is the A♭ Diminished chord built?
From a root of A♭: B is the minor 3rd and D is the augmented 4th.
Which scales contain the A♭ Diminished chord?
A Major (Ionian), F# Natural Minor (Aeolian), B Dorian and D♭ Phrygian, among others. Every note of the A♭ Diminished chord is in those, so they can be played over it.
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