Cm7♭5 chord on 6-String Guitar – Open C

in Open C (C-G-C-G-C-E) tuning

Root

Type

Tuning

Cm7♭5

Half-Diminished

Notes:C · D# · F# · A#

mediumfret 2

Piano Left hand Right hand

Fingerings (16)

Cm7♭5 shapes as text

Frets	Fingers	Notes	Difficulty
0 3 0 3 3 2	– 2 – 3 4 1	C A# C A# D# F#	medium
x 5 x 3 3 2	– 4 – 2 3 1	x C x A# D# F#	hard
x 5 3 3 6 x	– 3 1 2 4 –	x C D# A# F# x	medium
0 5 0 8 6 6	– 1 – 4 2 3	C C C D# F# A#	medium
0 8 6 8 6 6	– 2 1 3 1 1	C D# F# D# F# A#	medium · barre on fret 6
0 8 10 11 10 8	– 1 2 4 3 1	C D# A# F# A# C	medium · barre on fret 8
0 11 10 11 10 11	– 2 1 3 1 4	C F# A# F# A# D#	medium · barre on fret 10
0 3 3 3 0 2	– 2 3 4 – 1	C A# D# A# C F#	medium
x 5 3 3 x 2	– 4 2 3 – 1	x C D# A# x F#	hard
x 5 6 3 3 x	– 3 4 1 2 –	x C F# A# D# x	medium
0 5 6 8 0 6	– 1 2 4 – 3	C C F# D# C A#	medium
0 8 0 8 6 6	– 3 – 4 1 2	C D# C D# F# A#	medium
0 11 10 8 10 8	– 4 2 1 3 1	C F# A# D# A# C	medium · barre on fret 8
0 11 0 11 10 11	– 2 – 3 1 4	C F# C F# A# D#	medium
x x 0 3 3 2	– – – 2 3 1	x x C A# D# F#	easy
x 3 x 5 3 2	– 2 – 4 3 1	x A# x C D# F#	hard

Max fret: 12

Fingerings shown: 16

The Cm7♭5 chord (Half-Diminished) is built from the notes C, D#, F#, A#. Below are playable fingerings for 6-String Guitar – Open C 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

C Cm C7 C°C+C9 Cmaj7 Cm7 C7♯5 C7♭5 C6 Cm6 C°7 Csus2 Csus4 Cadd9 Cmaj9 Cm9 C5

Other roots

C#m7♭5 Dm7♭5 D#m7♭5 Em7♭5 Fm7♭5 F#m7♭5 Gm7♭5 G#m7♭5 Am7♭5 A#m7♭5 Bm7♭5

See Cm7♭5 in another tuning

Standard E E-A-D-G-B-E Half Step Down (Eb) D#-G#-C#-F#-A#-D#Drop D D-A-D-G-B-E Open C C-G-C-G-C-E Open D D-A-D-F#-A-D Open G D-G-D-G-B-D DADGAD (D Modal) D-A-D-G-A-D

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.