D♭ Dominant 9th
D♭9
Notes
D♭ · F · A♭ · C♭ · E♭
Intervals
- RootD♭ (1P)
- Major 3rdF (3M)
- Perfect 5thA♭ (5P)
- Minor 7thC♭ (7m)
- Major 9thE♭ (9M)
Fretboard
On the fretboard, B represents C♭.
Adjust labels, frets, and palette in the interactive view.
Voicings & shapes
Rootless voicings (A / B form) (4)
About
The D♭9 dominant ninth (D♭–F–A♭–C♭–E♭) extends a dominant 7 with a ninth. The E♭ adds brightness and harmonic richness without affecting the chord’s dominant function — the tritone between F and C♭ is still present and still drives resolution to G♭. The 3rd and ♭7 remain essential; the 5th is routinely dropped on guitar to make room for the 9th without creating a muddy cluster. Common in funk, jazz, and blues as a more colorful version of the dominant 7. Compared to D♭7, the 9th adds shimmer and modernity; the resolution tendency is identical.
Chord diagrams
Db Dominant 9th voicing charts — tap a sheet to open it full size to save or print.
Similar chords
Chords sharing two or more notes with this one, ranked by overlap.
Scales containing this chord
- D♭ Mixolydian (I)
- A♭ Dorian (IV)
- A♭ Melodic Minor (IV)
- B Lydian (II)
- B♭ Phrygian (III)
- E♭ Natural Minor (VII)
- F Locrian (VI)
- F♯ Major (V)
- F♯ Melodic Minor (V)
Scales whose notes include every chord tone. The Roman numeral (or scale degree) marks the chord root’s position in the scale.