Key · major

The key of D♭ Major

D♭ Major has 5 flats (B♭ E♭ A♭ D♭ G♭). Its scale is D♭ E♭ F G♭ A♭ B♭ C. The seven chords built on those degrees are I D♭, ii E♭m, iii Fm, IV G♭, V A♭, vi B♭m and vii° Cdim; the dominant is A♭ and the subdominant G♭. Its relative minor is B♭ Minor and its parallel minor is C♯ Minor.

Key signature
5 flats · B♭ E♭ A♭ D♭ G♭
Scale
D♭ E♭ F G♭ A♭ B♭ C
Relative minor
B♭ Minor
Parallel minor
C♯ Minor
Enharmonic
C♯

The scale on the keyboard

The D♭ Major scale on the piano keyboard: D♭ E♭ F G♭ A♭ B♭ C23123412D♭E♭FG♭A♭B♭CD♭

Fingering for both hands, the step pattern and the other forms are on the D♭ Major scale page.

Scale degrees

DegreeNoteNameInterval from the tonic
1D♭TonicUnison
2E♭SupertonicMajor 2nd
3FMediantMajor 3rd
4G♭SubdominantPerfect 4th
5A♭DominantPerfect 5th
6B♭SubmediantMajor 6th
7CLeading ToneMajor 7th

Chords in D♭ Major

One chord on each degree of the scale. The dominant is A♭ and the subdominant G♭.

NumeralTriadQualitySeventh
ID♭MajorD♭maj7
iiE♭mMinorE♭m7
iiiFmMinorFm7
IVG♭MajorG♭maj7
VA♭MajorA♭7
viB♭mMinorB♭m7
vii°CdimDiminishedCm7♭5

Chord functions

FunctionChords
TonicI · iii · vi
Subdominantii · IV
DominantV · vii°

Common progressions in D♭ Major

ProgressionChordsLevel
I – IV – VD♭ – G♭ – A♭Easy
I – IV – V – ID♭ – G♭ – A♭ – D♭Easy
I – V – vi – IVD♭ – A♭ – B♭m – G♭Easy
I – vi – IV – VD♭ – B♭m – G♭ – A♭Easy
I – IV – I – VD♭ – G♭ – D♭ – A♭Easy
I – V – IV – ID♭ – A♭ – G♭ – D♭Easy
I – IV – V – IVD♭ – G♭ – A♭ – G♭Easy
I – ii – IV – VD♭ – E♭m – G♭ – A♭Easy
vi – IV – I – VB♭m – G♭ – D♭ – A♭Medium
I – vi – ii – VD♭ – B♭m – E♭m – A♭Medium
I – IV – vi – VD♭ – G♭ – B♭m – A♭Medium
I – iii – IV – VD♭ – Fm – G♭ – A♭Medium
I – iii – vi – IVD♭ – Fm – B♭m – G♭Medium
IV – I – V – viG♭ – D♭ – A♭ – B♭mMedium
I – V – vi – iii – IV – I – IV – VD♭ – A♭ – B♭m – Fm – G♭ – D♭ – G♭ – A♭Medium
I – IV – vii° – iii – vi – ii – V – ID♭ – G♭ – Cdim – Fm – B♭m – E♭m – A♭ – D♭Hard
ii – V – IE♭m – A♭ – D♭Medium
iim7 – V7 – Imaj7E♭m7 – A♭7 – D♭maj7Hard
ii – V – I – viE♭m – A♭ – D♭ – B♭mHard
I – VI – ii – VD♭ – B♭ – E♭m – A♭Hard
I – II – V – ID♭ – E♭ – A♭ – D♭Hard
I – bVII – IV – ID♭ – C♭ – G♭ – D♭Medium
I – bIII – IVD♭ – F♭ – G♭Medium
I – V – bVII – IVD♭ – A♭ – C♭ – G♭Medium
I – bVI – bVII – ID♭ – A – C♭ – D♭Hard
I – IV – iv – ID♭ – G♭ – G♭m – D♭Hard
12-Bar Blues (I7 – IV7 – V7)D♭7 – D♭7 – D♭7 – D♭7 – G♭7 – G♭7 – D♭7 – D♭7 – A♭7 – G♭7 – D♭7 – A♭7Medium
Quick-Change BluesD♭7 – G♭7 – D♭7 – D♭7 – G♭7 – G♭7 – D♭7 – D♭7 – A♭7 – G♭7 – D♭7 – A♭7Medium

The other keys

C MajorG MajorD MajorA MajorE MajorB MajorF♯ MajorA♭ MajorE♭ MajorB♭ MajorF MajorA MinorE MinorB MinorF♯ MinorC♯ MinorG♯ MinorE♭ MinorB♭ MinorF MinorC MinorG MinorD Minor

Part of the key reference. See also the chords and the scales.