C dim

The C dim chord consists of the C (Perfect unison), D# (Minor third) and F# (Diminished fifth) notes.

Piano keyboard showing the notes for a C dim chord

How to play the C dim chord

  1. Find C (Root) on the piano keyboard
  2. Add D# (Minor third) — 3 semitones above C
  3. Add F# (Diminished fifth) — 6 semitones above C
  4. Press all 3 notes simultaneously to sound the C dim chord

Related slash chords