C7♭5 chord on 6-String Guitar – Open C

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

○○2341CA#CA#EF#
C7♭5
Dominant 7 ♭5
Notes:C · E · F# · A#
mediumfret 2
Piano Left hand Right hand
CCCEF#A#
ShapeFretsFingersNotesDifficulty
0 3 0 3 4 2– 2 – 3 4 1C A# C A# E F#medium
x 5 x 3 4 2– 4 – 2 3 1x C x A# E F#hard
x 5 4 3 6 x– 3 2 1 4 –x C E A# F# xmedium
0 x 4 5 6 6– – 1 2 3 4C x E C F# A#hard
0 5 0 9 6 6– 1 – 4 2 3C C C E F# A#hard
0 9 6 9 6 6– 2 1 3 1 1C E F# E F# A#medium · barre on fret 6
0 9 0 11 10 8– 2 – 4 3 1C E C F# A# Cmedium
0 9 10 11 10 0– 1 2 4 3 –C E A# F# A# Emedium
0 11 10 11 10 0– 2 1 3 1 –C F# A# F# A# Eeasy · barre on fret 10
0 3 4 3 0 2– 2 4 3 – 1C A# E A# C F#medium
x 5 4 3 x 2– 4 3 2 – 1x C E A# x F#hard
x 5 6 3 4 x– 3 4 1 2 –x C F# A# E xmedium
0 x 6 5 4 6– – 3 2 1 4C x F# C E A#hard
0 5 6 9 0 6– 1 2 4 – 3C C F# E C A#hard
0 9 6 9 10 6– 2 1 3 4 1C E F# E A# A#hard · barre on fret 6
0 9 10 11 0 8– 2 3 4 – 1C E A# F# C Cmedium

The C7♭5 chord (Dominant 7 ♭5) is built from the notes C, E, 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 C7♭5 chord is built

Formula: 1 · 3 · ♭5 · ♭7

DegreeSemitonesNote
10C
34E
♭56F#
♭710A#

More C chords

Other roots

See C7♭5 in another tuning

What notes make up the C7♭5 chord?

C7♭5 is a Dominant 7 ♭5 chord built from the notes C, E, 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.