Dim & aug familyvii°7 in E♭ harmonic minor
D diminished seventh chord
Ddim7D diminished seventh
Piano root position
- Root
- ♭3
- ♭5
- 𝄫7
Guitar standard tuning
Open chord
Uses open strings, no barre.
Finger: 1 index, 2 middle, 3 ring, 4 little
Notation treble clef
Intervals
12 semitones- D1
- ♭2
- 2
- F♭3
- 3
- 4
- A♭♭5
- 5
- ♯5
- C♭𝄫7
- ♭7
- 7
- D Root
- F Minor 3rd
- A♭ Diminished 5th
- C♭ Diminished 7th
About this chord
What is a D diminished seventh chord?
Ddim7 is built from 4 notes: D (the root), F (the ♭3), A♭ (the ♭5), C♭ (the 𝄫7). Symmetrical stacked minor thirds: dramatic, silent-film suspense.
- Notes
- D · F · A♭ · C♭
- Formula
- 1 · ♭3 · ♭5 · 𝄫7
- Also written
- D°7 · Do7
- Found in
- vii°7 in E♭ harmonic minor
Neighbours
Chords close to Ddim7
Play it, and Melodio names it.
The desktop app does the same, live: plug in a MIDI keyboard and every chord you hold appears with its notes, intervals and guitar shape. Free.
Download Melodio
Windows · macOS · Linux
All 348 chords
Every chord type on every root, each with its own page.
C
D♭
D
E♭
E
F
G♭
G
A♭
A
B♭