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

in Open B (B-F#-B-F#-B-D#) tuning

○○1213CA#CF#D#D#
Cm7♭5
Half-Diminished
Notes:C · D# · F# · A#
mediumbarre on fret 1
Piano Left hand Right hand
CCCD#F#A#
ShapeFretsFingersNotesDifficulty
1 4 1 0 4 01 2 1 – 3 –C A# C F# D# D#medium · barre on fret 1
x 6 x 4 4 3– 4 – 2 3 1x C x A# D# F#hard
x 6 4 0 4 7– 3 1 – 2 4x C D# F# D# A#medium
x 6 x 9 7 7– 1 – 4 2 3x C x D# F# A#hard
7 9 7 0 11 91 2 1 – 4 3F# D# F# F# A# Chard · barre on fret 7
11 0 11 9 11 92 – 3 1 4 1A# F# A# D# A# Cmedium · barre on fret 9
1 4 1 0 4 31 3 1 – 4 2C A# C F# D# F#medium · barre on fret 1
x 6 4 4 x 3– 4 2 3 – 1x C D# A# x F#hard
x 6 4 0 7 7– 2 1 – 3 4x C D# F# F# A#medium
x 6 7 9 x 7– 1 2 4 – 3x C F# D# x A#hard
11 0 7 9 7 94 – 1 2 1 3A# F# F# D# F# Chard · barre on fret 7
x 0 11 9 11 9– – 2 1 3 1x F# A# D# A# Cmedium · barre on fret 9
1 0 1 4 1 01 – 2 4 3 –C F# C A# C D#medium
x 4 x 6 4 3– 2 – 4 3 1x A# x C D# F#hard
x 6 4 4 7 0– 3 1 2 4 –x C D# A# F# D#medium
x 9 x 6 7 7– 4 – 1 2 3x D# x C F# 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 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 Cm7♭5 chord is built

Formula: 1 · ♭3 · ♭5 · ♭7

DegreeSemitonesNote
10C
♭33D#
♭56F#
♭710A#

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.