A flat diminished piano chord - Abdim

The A flat diminished chord is a 3-note chord consisting of the notes Ab, Cb and Ebb.
You can see these notes highlighted in the interactive piano chart below.
The chord itself is often abbreviated as Abdim.

Interactive piano diagram for the A flat diminished chord

Piano keyboard displaying the A flat diminished chord with the notes CbBG#AbD

Extended Chords

Chords that are a superset of Abdim. The chords include more notes but always Ab, Cb and Ebb.

Scales with Abdim

Below you find all scales that include Abdim:

  • locrian pentatonic
  • super locrian pentatonic
  • minor blues
  • altered
  • locrian #2
  • locrian
  • ultralocrian
  • locrian 6
  • dorian #4
  • lydian diminished
  • hungarian minor
  • hungarian major
  • flamenco
  • todi raga
  • lydian #9
  • bebop locrian
  • diminished
  • half-whole diminished
  • composite blues
  • messiaen's mode #3
  • messiaen's mode #7
  • chromatic

Related Topics

A flat diminished piano chord chart image

In case you prefer a non-interactive variant of the chord chart, we've embedded a PNG image below that shows the notes for the the Abdim chord. Feel free to save or share the image as needed.

Piano chord chart for the A flat diminished chord (Abdim). The notes Ab, Cb and Ebb are highlighted.