Root on A string
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C♯m7♭5 chord on guitar
C♯m7♭5 is the C♯ half-diminished chord. Its notes are C♯, E, G and B. It is the same chord as D♭m7♭5. Also written ø7. Often the ii chord in a minor ii–V–i progression.
How to play C♯m7♭5
Numbers show frets from the low E string to the high e string; x means don't play that string.
What's in C♯m7♭5
- C♯1
- E♭3
- G♭5
- B♭7
- Formula
- 1 · ♭3 · ♭5 · ♭7
- Also written
- C♯m7♭5, C♯ø7
- Chord type
- Half-diminished
Keys that use C♯m7♭5
C♯m7♭5 is the viiø7 chord in D major. That makes it a natural fit in songs written in those keys.
C♯m7♭5 notes across the neck
Every C♯, E, G and B on the first 12 frets. The filled dots are the root, C♯. Build your own shape from any nearby group.
Related chords
Other C♯ chords
C♯C♯mC♯7C♯maj7C♯m7C♯5C♯sus2C♯sus4C♯add9C♯6C♯m6C♯augC♯dimC♯dim7C♯m7♭5C♯9C♯maj9C♯m9C♯mmaj7C♯7♭5C♯7♯5C♯7♭9C♯7♯9
Other half-diminished chords