Cm7♭5 chord on 6-String Guitar – Open A
in Open A (E-A-C#-E-A-E) tuning · Also known as Spanish A
Cm7♭5
Half-Diminished
Notes:C · D# · F# · A#
Piano Left hand Right hand
Fingerings (16)
Cm7♭5 shapes as text
| Shape | Frets | Fingers | Notes | Difficulty |
|---|---|---|---|---|
| x 3 2 2 1 x | – 4 2 3 1 – | x C D# F# A# x | medium | |
| x 3 2 6 3 2 | – 2 1 4 3 1 | x C D# A# C F# | hard · barre on fret 2 | |
| x 3 5 6 6 x | – 1 2 3 4 – | x C F# A# D# x | medium | |
| 8 6 5 6 x x | 4 2 1 3 – – | C D# F# A# x x | medium | |
| 8 6 9 6 9 6 | 2 1 3 1 4 1 | C D# A# A# F# A# | medium · barre on fret 6 | |
| 8 9 9 11 x x | 1 2 3 4 – – | C F# A# D# x x | medium | |
| x 3 2 x 1 2 | – 4 2 – 1 3 | x C D# x A# F# | hard | |
| x 3 2 6 6 2 | – 2 1 3 4 1 | x C D# A# D# F# | hard · barre on fret 2 | |
| x 3 5 x 6 6 | – 1 2 – 3 4 | x C F# x D# A# | hard | |
| 8 x 5 6 6 x | 4 – 1 2 3 – | C x F# A# D# x | hard | |
| 8 9 9 6 6 6 | 2 3 4 1 1 1 | C F# A# A# D# A# | medium · barre on fret 6 | |
| 8 9 9 8 x 11 | 1 2 3 1 – 4 | C F# A# C x D# | hard · barre on fret 8 | |
| x 1 2 2 3 x | – 1 2 3 4 – | x A# D# F# C x | medium | |
| x 3 x 2 6 6 | – 2 – 1 3 4 | x C x F# D# A# | hard | |
| x 6 5 6 3 x | – 3 2 4 1 – | x D# F# A# C x | medium | |
| 8 x 5 x 6 6 | 4 – 1 – 2 3 | C x F# x D# A# | hard |
The Cm7♭5 chord (Half-Diminished) is built from the notes C, D#, F#, A#. Below are playable fingerings for 6-String Guitar – Open A 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 Cm7♭5 chord is built
Formula: 1 · ♭3 · ♭5 · ♭7
| Degree | Semitones | Note |
|---|---|---|
| 1 | 0 | C |
| ♭3 | 3 | D# |
| ♭5 | 6 | F# |
| ♭7 | 10 | A# |
More C chords
Other roots
See Cm7♭5 in another tuning
What notes make up the Cm7♭5 chord?
Cm7♭5 is a Half-Diminished 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.