C°7 chord on 6-String Guitar – Open B
in Open B (B-F#-B-F#-B-D#) tuning
C°7
Diminished 7
Notes:C · D# · F# · A
Piano Left hand Right hand
Fingerings (16)
C°7 shapes as text
| Shape | Frets | Fingers | Notes | Difficulty |
|---|---|---|---|---|
| 1 0 1 3 1 0 | 1 – 2 4 3 – | C F# C A C D# | medium | |
| x 6 4 3 4 3 | – 4 2 1 3 1 | x C D# A D# F# | medium · barre on fret 3 | |
| x 6 4 0 4 6 | – 3 1 – 2 4 | x C D# F# D# A | medium | |
| x 6 7 9 7 6 | – 1 2 4 3 1 | x C F# D# F# A | medium · barre on fret 6 | |
| 7 9 7 0 10 9 | 1 2 1 – 4 3 | F# D# F# F# A C | medium · barre on fret 7 | |
| 10 0 10 9 10 9 | 2 – 3 1 4 1 | A F# A D# A C | medium · barre on fret 9 | |
| 1 3 1 0 1 0 | 1 4 2 – 3 – | C A C F# C D# | medium | |
| x 6 4 3 7 3 | – 3 2 1 4 1 | x C D# A F# F# | hard · barre on fret 3 | |
| x 6 4 0 7 6 | – 2 1 – 4 3 | x C D# F# F# A | medium | |
| x 6 7 9 10 6 | – 1 2 3 4 1 | x C F# D# A A | hard · barre on fret 6 | |
| 10 0 7 9 7 9 | 4 – 1 2 1 3 | A F# F# D# F# C | medium · barre on fret 7 | |
| x 0 10 9 10 9 | – – 2 1 3 1 | x F# A D# A C | easy · barre on fret 9 | |
| 1 3 1 0 4 0 | 1 2 1 – 3 – | C A C F# D# D# | medium · barre on fret 1 | |
| x 6 7 3 4 3 | – 3 4 1 2 1 | x C F# A D# F# | hard · barre on fret 3 | |
| x 6 7 0 4 6 | – 2 4 – 1 3 | x C F# F# D# A | medium | |
| x 6 10 9 7 6 | – 1 4 3 2 1 | x C A D# F# A | hard · barre on fret 6 |
The C°7 chord (Diminished 7) is built from the notes C, D#, F#, A. Below are playable fingerings for 6-String Guitar – Open B generated for your selected tuning, ordered from open-position shapes up the neck. Tap a diagram to hear it, or switch to the piano view to see the same harmony on keys.
How the C°7 chord is built
Formula: 1 · ♭3 · ♭5 · 6
| Degree | Semitones | Note |
|---|---|---|
| 1 | 0 | C |
| ♭3 | 3 | D# |
| ♭5 | 6 | F# |
| 6 | 9 | A |
More C chords
Other roots
See C°7 in another tuning
What notes make up the C°7 chord?
C°7 is a Diminished 7 chord built from the notes C, D#, F#, A.
How do I read the diagram?
Strings run left to right from the lowest to the first string; the numbers show which finger presses each fret. An ○ marks an open string, an ✕ marks a muted one.