C diminished chord for guitar (Cdim)
Diagram, fingering, and theory for the C diminished chord (Cdim) on guitar: C · D# · F#.
Root
Chord
DiagramCdim
Stacked thirds
1
3m
♭5
Theory
Formula1-♭3-♭5
DifferenceBoth 3rd and 5th lowered (♭3, ♭5).
SoundTense, unstable, wants to resolve.
Functionvii°, a passing chord.
UseBrief tension before a resolution.
Next steps
△TriadsSee the triads and inversions on the fretboard∷ArpeggiosPlay the chord note by note⚿ProgressionsUse it in a chord progression
Diagram for guitar in standard tuning.
C diminished
The C diminished chord (Cdim) is made up of: C · D# · F#.
Brief tension before a resolution.