D♭ Dominant 13th
D♭13
Notes
D♭ · F · A♭ · C♭ · E♭ · B♭
Intervals
- RootD♭ (1P)
- Major 3rdF (3M)
- Perfect 5thA♭ (5P)
- Minor 7thC♭ (7m)
- Major 9thE♭ (9M)
- Major 13thB♭ (13M)
Fretboard
On the fretboard, B represents C♭.
Adjust labels, frets, and palette in the interactive view.
About
The D♭13 dominant thirteenth (D♭–F–A♭–C♭–E♭–B♭) is the fullest expression of dominant harmony. The B♭ (a major sixth above the root) adds warmth and sophistication while the chord’s dominant function — driven by the tritone between 3 and ♭7 — remains intact, still pulling toward G♭. On guitar, full voicings are impractical; the essential tones are the 3rd, ♭7, and 13th. The 5th, 9th, and sometimes even the root can all be omitted in favor of these three. Common in jazz and funk comping. Compared to D♭9, the 13 adds a richer, more colorful top end without altering the harmonic direction.
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)
Scales whose notes include every chord tone. The Roman numeral (or scale degree) marks the chord root’s position in the scale.