A diminished piano chord - Adim

The A diminished chord is a 3-note chord consisting of the notes A, C and Eb.
You can see these notes highlighted in the interactive piano chart below.
The chord itself is often abbreviated as Adim.

Interactive piano diagram for the A diminished chord

Piano keyboard displaying the A diminished chord with the notes AB#CD#Eb

Extended Chords

Chords that are a superset of Adim. The chords include more notes but always A, C and Eb.

Scales with Adim

Below you find all scales that include Adim:

  • 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 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 Adim chord. Feel free to save or share the image as needed.

Piano chord chart for the A diminished chord (Adim). The notes A, C and Eb are highlighted.