The D♭ Augmented chord is a three-note chord made up of D♭, F, and A. It is built from a root, major third, and augmented fifth.
Construction
| Note | Interval | Degree |
|---|---|---|
| D♭ | Root | 1 |
| F | Major 3rd | 3 |
| A | Minor 6th | ♯5 |
D♭ Augmented Inversions


| Position | Notes |
|---|---|
| Root Position | D♭ – F – A |
| 1st Inversion | F – A – D♭ |
| 2nd Inversion | A – D♭ – F |
Key Signature
A Augmented chord is built from symmetrical or ambiguous intervals, so it doesn’t belong to a single key and has no key signature of its own.
Same Notes, Other Names
The notes D♭ – F – A aren’t exclusive to this chord. Depending on which note is the bass and how the chord functions, the same pitches also spell the following: