D diminished piano chord - Ddim
The D diminished chord is a 3-note chord consisting of the notes D, F and Ab.
You can see these notes highlighted in the interactive piano chart below.
The chord itself is often abbreviated as Ddim.
Interactive piano diagram for the D diminished chord
D 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 Ddim chord. Feel free to save or share the image as needed.