The D-flat diminished seventh chord (abbreviated "Dbdim7 chord") is a four-note chord consisting of the notes D, F, A, and C. The chord is formed by adding a diminished seventh to a D-flat diminished chord.

Name
D-flat diminished seventh chord
Synonym
D-flat fully diminished chord
Notes
D F A C
Intervals
1 3 5 7
Chord symbol
Do7
Alternative symbols
Ddim7 Ddim Do
Type
tetrad (four-note chord)

Dbdim7 chord on piano

Dbdim7 chord on guitar

Dbdim7 chord on ukulele

Dbdim7 chord on the staff