The D♭ aug Chord Explained
D-flat augmented is an Augmented chord built from the notes D-flat, F, and A. Its root is D-flat, and its interval number formula is 1–3–♯5, which gives you the interval names root, major third, and augmented fifth. Because the fifth is raised, this chord sounds more tense and bright than a regular major triad. You may also see it written as D-flat aug, D-flat augmented triad, or D-flat+. If you want to understand how these note distances create the chord, this guide to chord intervals can help, and the widget above lets you see and hear D-flat augmented in root position.
D♭ aug Alternate Names
- D-flat aug
- D-flat+
- D-flat augmented triad
D♭ aug Chord Notes
D♭ aug Chord Formula
D♭ aug Chord Notation
How To Use D♭ aug In Music
Often, D-flat augmented has a dramatic, unsettled, and slightly dreamy sound because the raised fifth adds tension and forward motion. It can be used to create suspense, lead smoothly into another chord, or add color in pop, jazz, film music, and classical harmony. For example, in D-flat major, I+ can move to IV, or a progression such as I–I+–vi can create a strong pull forward. You might also hear the chord itself as D-flat aug connecting between major chords by half-step motion in the upper voices. The mood of the chord can feel more mysterious if the surrounding chords are minor, or more brilliant if it resolves to a stable major chord; for more background, see what is an augmented chord.
D♭ aug Chord Inversions
Another useful idea is inversion, which means the notes stay the same but a note other than the root is placed at the bottom. For D-flat augmented, root position is D-flat–F–A, first inversion is F–A–D-flat, and second inversion is A–D-flat–F. Because augmented chords are built from equal major-third spaces, their inversions sound closely related, but each one can still change the bass motion and overall color. A first inversion may sound a little smoother in a progression, while a second inversion can make the chord feel more unstable or urgent. Composers and songwriters use inversions to create better voice leading, smoother bass lines, and more natural movement from one chord to the next.


