C♯°7 Chord on Guitar

C♯°7 is the C♯ diminished 7th chord — 4 notes (C♯, E, G, B♭) built from the formula 1 ♭3 ♭5 ♭♭7. Below are playable shapes across the fretboard, the keys it belongs to and the scales to use when soloing over it.

Notes: C♯ · E · G · B♭Formula: 1 · ♭3 · ♭5 · ♭♭7Hear it and see it on the fretboard ▸

C♯°7: Chord shapes (open & barre)

  • C♯°7 – fret 2×R♭3♭♭7R♭5fret 2
  • C♯°7 – fret 3×R♭5♭♭7♭3♭5fret 3
  • C♯°7 – fret 88R♭5♭♭7♭3♭5×fret 8
  • C♯°7 – fret 99R♭5R♭3♭♭7Rfret 9
  • C♯°7 – fret 1111××R♭5♭♭7♭3fret 11

C♯°7: Drop 2 voicings

  • C♯°7 – bass: ♭5♭5R♭3♭♭7××bass: ♭5
  • C♯°7 – bass: ♭59×♭5R♭3♭♭7×bass: ♭5
  • C♯°7 – bass: ♭55××♭5R♭3♭♭7bass: ♭5
  • C♯°7 – bass: ♭♭75♭♭7♭3♭5R××bass: ♭♭7
  • C♯°7 – bass: ♭♭712×♭♭7♭3♭5R×bass: ♭♭7
  • C♯°7 – bass: ♭♭78××♭♭7♭3♭5Rbass: ♭♭7
  • C♯°7 – bass: R8R♭5♭♭7♭3××bass: R
  • C♯°7 – bass: R×R♭5♭♭7♭3×bass: R
  • C♯°7 – bass: R11××R♭5♭♭7♭3bass: R
  • C♯°7 – bass: ♭311♭3♭♭7R♭5××bass: ♭3
  • C♯°7 – bass: ♭36×♭3♭♭7R♭5×bass: ♭3
  • C♯°7 – bass: ♭3××♭3♭♭7R♭5bass: ♭3

C♯°7: Drop 3 voicings

  • C♯°7 – bass: ♭311♭3×R♭5♭♭7×bass: ♭3
  • C♯°7 – bass: ♭36×♭3×R♭5♭♭7bass: ♭3
  • C♯°7 – bass: ♭5♭5×♭3♭♭7R×bass: ♭5
  • C♯°7 – bass: ♭59×♭5×♭3♭♭7Rbass: ♭5
  • C♯°7 – bass: ♭♭75♭♭7×♭5R♭3×bass: ♭♭7
  • C♯°7 – bass: ♭♭712×♭♭7×♭5R♭3bass: ♭♭7
  • C♯°7 – bass: R8R×♭♭7♭3♭5×bass: R
  • C♯°7 – bass: R×R×♭♭7♭3♭5bass: R

C♯°7: Shell voicings (jazz)

  • C♯°7 – R-3-77R♭3♭♭7×××R-3-7
  • C♯°7 – R-3-7×R♭3♭♭7××R-3-7
  • C♯°7 – R-7-38R×♭♭7♭3××R-7-3
  • C♯°7 – R-7-3×R×♭♭7♭3×R-7-3

Scales to play over C♯°7

Ordered from the most common choice. All of them contain C♯, E, G, B♭.

Other C♯ chords

Diminished 7th chords in other keys

FAQ

What notes are in the C♯°7 chord?
C♯°7 (C♯ diminished 7th) contains C♯, E, G, B♭ — formula 1 ♭3 ♭5 ♭♭7.
How do you play C♯°7 on guitar?
A common shape is x42323 (low E to high E, x = muted string, around fret 2). This page shows more shapes, drop 2, drop 3 and shell voicings in the interactive library.
What scale goes with C♯°7?
Good choices to solo over C♯°7: C♯ Diminished (whole-half), C♯ Superlocrian 𝄫7, C♯ Locrian ♮6.