Guitar Chords in the Key of D Flat (D♭) Major

The chords in the key of D♭ Major

D Flat Major Chord D♭
E Flat minor Chord E♭m
F minor Chord Fm
G Flat Major Chord G♭
A Flat Major Chord A♭
B Flat Minor Chord B♭m
C Diminished Chord Cdim

D♭ Major - E♭ minor - F minor - G♭ Major - A♭ Major - B♭ minor - C diminished (C°)

      D♭   E♭m    Fm    G♭     A♭   B♭m   Cdim   
e|----4-----6-----1-----2-----4-----1----------|
B|----6-----7-----1-----2-----4-----2-----4----|
G|----6-----8-----1-----3-----5-----3-----5----|
D|----6-----8-----3-----4-----6-----3-----4----|
A|----4-----6-----------4-----6-----1-----3----|
E|----------------------2-----4----------------|
      I     ii   iii    IV    V     vi   vii    

The chord formula for any Major key is
Major - minor - minor - Major - Major - minor - diminished

A common way to number these chords is by Roman numerals
I - ii - iii - IV - V - vi - vii

(Major chords are usually capitalized, minor and diminished chords are lower case)

Key of D♭ Major Using 7th Chords

D Flat Major 7 Chord D♭Maj7
E Flat minor 7 Chord E♭m7
F minor 7 Chord Fm7
G Flat Major 7 Chord G♭Maj7
A Flat Dominant 7 Chord A♭7
B Flat Minor 7 Chord B♭m7
C minor 7 ♭5 Chord Cm7♭5

D♭ Major 7 - E♭ minor 7 - F minor 7 - G♭ Major 7 - A♭ Dominant 7 - B♭ minor 7 - C minor 7♭5

    D♭Maj7  E♭m7  Fm7  G♭Maj7  A♭7  B♭m7  Cm7♭5   
e|----4-----6-----4-----------4-----1----------|
B|----6-----7-----4-----2-----4-----2-----4----|
G|----5-----6-----5-----3-----5-----1-----3----|
D|----6-----8-----3-----3-----4-----3-----4----|
A|----4-----6-----------x-----6-----1-----3----|
E|----------------------2-----4----------------|
      I     ii   iii    IV    V     vi   vii