D♭ Major Sixth Chord

Chord Tones: D♭ Major Sixth Chord

Symbol: 6, maj6 — Formula: 1-3-5-6

DegreeNoteFrequency (A=440, Equal)
1 D♭4 277.183 Hz
3 F4 349.228 Hz
5 A♭4 415.305 Hz
6 B♭4 466.164 Hz

Chord Notation

Notation TypeSymbol / Value
Lead Sheet SymbolD♭6
All Common Symbols6, maj6
Interval Formula1-3-5-6
Harmonic Categorymildly dissonant

Roman numeral (e.g. I, IV, V) and Nashville Number notation are key-dependent. See Keys pages for chord function within specific keys.

Inversions

InversionNotes (low to high)Bass NoteSlash Notation
Root Position D♭4 F4 A♭4 B♭4 D♭ D♭ Major Sixth Chord
First Inversion F4 A♭4 B♭4 D♭4 F D♭ Major Sixth Chord/F
Second Inversion A♭4 B♭4 D♭4 F4 A♭ D♭ Major Sixth Chord/A♭
Third Inversion B♭4 D♭4 F4 A♭4 B♭ D♭ Major Sixth Chord/B♭

Harmonic Function

The D♭ major sixth chord commonly functions as the supertonic (♭II, Neapolitan) in C major or tonic in D♭ major. Its harmonic role varies by key — in major keys it provides stable harmonic grounding.

The major sixth chord adds a major sixth to the major triad. It has a warm, pleasant quality with a hint of jazz sophistication, often used as a substitute for the plain major chord. The D♭ Major Sixth Chord specifically contains 4 notes: D♭, F, A♭, B♭ (formula: 1-3-5-6). On piano, Db-rooted chords place the root on a black key surrounded by other black keys, and the hand naturally cups over the raised surface for smooth voice leading. Romantic piano repertoire, contemporary R&B, and cinematic underscore frequently feature Db chords for their lush, introspective warmth.

Common Progressions

The D♭ Major Sixth Chord frequently appears in these progression patterns (shown in Roman numeral notation relative to key):

Songs Featuring the Major Sixth Chord

Well-known songs where the D♭ Major Sixth Chord — or this chord type — plays a prominent role:

Tuning Frequencies Across Temperaments

Frequencies shown at A=440 Hz. View full temperament data for any note.

NoteEqual Temp.PythagoreanJust Intonation
D♭4 277.183 Hz 278.437 Hz 279.067 Hz
F4 349.228 Hz 347.654 Hz 348.834 Hz
A♭4 415.305 Hz 417.657 Hz 418.601 Hz
B♭4 466.164 Hz 463.538 Hz 470.926 Hz

Scales Containing the D♭ Major Sixth Chord

These scales include the D♭ Major Sixth Chord as a diatonic or characteristic chord: