Article
How to Read Guitar Chord Diagrams
Learn how to read guitar chord diagrams quickly. Understand dots, numbers, Xs, Os, and finger positions so you can play any chord chart at sight.
Cdim/G♭ guitar shapes
Popular fretboard positions with fingering suggestions
Showing 8 of 23 playable shapes
About the chord
C diminished / G♭ (2nd inversion)
The C diminished diminished chord is built from minor thirds, including a diminished fifth G♭, producing a tense, unstable sound. This dissonant, unresolved tension is commonly used for dramatic transitions, suspenseful moments, or eerie atmospheres in classical, jazz, and film music. With G♭ in the bass, this voicing functions as the 2nd inversion of C diminished.
Root note: C
Bass note: G♭
Chord tones: 3
Playable shapes: 23
Chord tones
CE♭G♭
Notes & Intervals
Each note below shows how the chord is built from its root. This is the theory layer underneath the fretboard shapes.
C Unison (Root) 1
The root anchors the chord and defines its tonal center.
E♭ Minor Third ♭3
This note supplies the minor color and gives the chord its darker emotional pull.
G♭ Diminished Fifth ♭5
The flattened fifth adds tension and a restless, unstable edge.
Related Articles
Articles that reference this chord and explain how to use it in your playing.
Article
How to Build Chords from Scratch: Guitar Chord Construction Guide
Learn chord construction step-by-step: intervals, triads, sevenths, and extensions. Build any chord from theory to fretboard.
Article
Chord Inversions on Guitar: Voicings That Sound Professional
Learn chord inversions on guitar to create smoother transitions, richer voicings, and more professional-sounding arrangements. Includes shapes and exercises.
Article
Diminished Chords on Guitar: Dark Sounds & Creative Uses
Understand diminished chords on guitar - diminished triads, dim7, half-diminished. Shapes, theory, and creative ways to use these mysterious chords.