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C♯° Chord on Guitar

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

Notes: C♯ · E · GFormula: 1 · ♭3 · ♭5Hear it and see it on the fretboard ▸

C♯°: Chord shapes (open & barre)

  • C♯° – open position×R♭3♭5R♭3open position
  • C♯° – fret 44×R♭5R♭3×fret 4
  • C♯° – fret 88××R♭3♭5Rfret 8
  • C♯° – fret 1111××R♭5R♭3fret 11

C♯°: Triad voicings (3 strings)

  • C♯° – bass: R5R♭3♭5×××bass: R
  • C♯° – bass: R×R♭3♭5××bass: R
  • C♯° – bass: R8××R♭3♭5×bass: R
  • C♯° – bass: R3×××R♭3♭5bass: R
  • C♯° – bass: ♭310♭3♭5R×××bass: ♭3
  • C♯° – bass: ♭35×♭3♭5R××bass: ♭3
  • C♯° – bass: ♭312××♭3♭5R×bass: ♭3
  • C♯° – bass: ♭38×××♭3♭5Rbass: ♭3
  • C♯° – bass: ♭5♭5R♭3×××bass: ♭5
  • C♯° – bass: ♭59×♭5R♭3××bass: ♭5
  • C♯° – bass: ♭55××♭5R♭3×bass: ♭5
  • C♯° – bass: ♭512×××♭5R♭3bass: ♭5

Keys that contain C♯°

Scales to play over C♯°

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

Other C♯ chords

Triads

Sevenths

Sixths

Added

Extended

Diminished chords in other keys

FAQ

What notes are in the C♯° chord?
C♯° (C♯ diminished) contains C♯, E, G — formula 1 ♭3 ♭5.
How do you play C♯° on guitar?
A common shape is x42020 (low E to high E, x = muted string, open position). This page shows more shapes, drop 2, drop 3 and shell voicings in the interactive library.
What scale goes with C♯°?
Good choices to solo over C♯°: C♯ Locrian, C♯ Diminished (whole-half), C♯ Blues.
What key is C♯° in?
C♯° is diatonic in D major (vii°), B minor (ii°).