Piano chord · Sevenths
C half-diminished 7th chord on piano
Right hand: C (1), E♭ (2), G♭ (3), B♭ (5)
How to play Cm7♭5 on piano: the keys to press, which fingers to use, inversions and how it’s written on the staff.
Dark and unresolved; often the ii chord in a minor key.
Cm7♭5 is the viiø7 chord in D♭ major. In minor keys: iiø7 in B♭ minor.
- Notes
- CE♭G♭B♭
- Formula
- 1♭3♭5♭7
- Built from
- root · minor 3rd · diminished 5th · minor 7th
Piano
Root position · numbers are finger numbers
How to play it
Right handC1 · thumbE♭2 · indexG♭3 · middleB♭5 · pinky
Left handC5 · pinkythe root, an octave lower
Finger numbers: 1 thumb · 2 index · 3 middle · 4 ring · 5 pinky. Inversions use the same notes with a different one on the bottom — they help you move smoothly between chords. Tap any key to hear it.
Tips for playing Cm7♭5 on piano
On piano, Cm7♭5 has three black keys (E♭, G♭ and B♭) and one white key.