D sharp diminished seventh piano chord - D#dim7

The D sharp diminished seventh chord is a 4-note chord consisting of the notes D#, F#, A and C.
You can see these notes highlighted in the interactive piano chart below.
The chord itself is often abbreviated as D#dim7.

Interactive piano diagram for the D sharp diminished seventh chord

Piano keyboard displaying the D sharp diminished seventh chord with the notes A D# Eb F# Gb B# C

Reduced chords

Chords that are a subset of D#dim7. These contain less notes but all of them are included in D#dim7.

D sharp diminished seventh 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 D#dim7 chord. Feel free to save or share the image as needed.

Piano chord chart for the D sharp diminished seventh chord (D#dim7). The notes D#, F#, A and C are highlighted.