Cm7b5 chord

The Cm7b5 chord (C half-diminished) on a piano: the notes, every inversion and the keys it belongs to. Tap play to hear it, and download it as MIDI.

C1Ebb3Gbb5Bbb7

About the half-diminished chord

A diminished chord with a minor seventh, also written ø. The natural chord on the second step of a minor key.

Formula: 1 b3 b5 b7. Used in: Jazz and minor-key ii-V-i progressions, R&B.

Tap an inversion to hear it. Inversions keep the same notes in a different order, which lets chords move smoothly from one to the next.

Cm7b5 is the VII chord in Db major and II chord in Bb minor.

It also appears in Eb Dorian (VI), F Phrygian (V), Gb Lydian (IV), Ab Mixolydian (III).

Build a progression around it in the chord progression generator.

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C, Eb, Gb, Bb.

1 b3 b5 b7. A diminished chord with a minor seventh, also written ø. The natural chord on the second step of a minor key.

Cm7b5 is a chord in Db major (VII), Bb minor (II).