PianoChords.ca

Cm7♭5 chord

C Half-Diminished 7th

Cm7b5 · Root

1C4b3Eb4b5Gb4b7Bb4
1C4C5C6b3b5b7

Every chord tone stacked from the root up.

Click keys to experiment with the chord

Notes

C – E♭ – G♭ – B♭

Formula

1 – b3 – b5 – b7

Practice Note

The half-diminished chord is the usual iiø7 in a minor-key ii–V–i, commonly paired with Locrian or Locrian natural 2. Its b5 and b7 lead into the dominant; the root may be omitted in a piano voicing when supplied by bass.

Try next

Cm7 · SiblingCdim7 · SiblingF7b9 · Next in ii–VBbm · ii–V–i targetEbm6 · Same notesAb9 · Same notes (rootless)

About Cm7b5

The Cm7b5 chord sounds dark and ambiguous, the classic jazz ii chord in minor keys. Its notes are C, Eb, Gb, Bb. This chord is commonly heard in jazz.

Jazz
All C chords (61)

Triads

C — MajorCm — MinorCdim — DiminishedCaug — AugmentedCsus2 — Suspended 2ndCsus4 — Suspended 4thC5 — Power Chord

7ths

C7 — Dominant 7thCmaj7 — Major 7thCm7 — Minor 7thCm7#5 — Minor 7th Sharp 5Cdim7 — Diminished 7thC6 — Major 6thCm6 — Minor 6thC7sus4 — Dominant 7th Sus4C7sus2 — Dominant 7th Sus2

Extended

C9 — Dominant 9thCmaj9 — Major 9thCm9 — Minor 9thCadd9 — Add 9Cadd11 — Add 11Cadd2 — Add 2Cadd#11 — Add Sharp 11C11 — Dominant 11thC13 — Dominant 13thC6/9 — 6/9Cmaj13 — Major 13thCm(add2) — Minor Add 2Cm(add9) — Minor Add 9Cm(add11) — Minor Add 11CmMaj7 — Minor Major 7thCm11 — Minor 11thCm13 — Minor 13thCm6/9 — Minor 6/9C7#11 — Dominant 7th Sharp 11C9#11 — Dominant 9th Sharp 11C13#11 — Dominant 13th Sharp 11C9sus4 — Dominant 9th Sus4C13sus4 — Dominant 13th Sus4Cmaj7#11 — Major 7th Sharp 11Cmaj9#11 — Major 9th Sharp 11CmMaj9 — Minor Major 9thCm9b5 — Half-Diminished 9th

Altered

C7#9 — Dominant 7th Sharp 9C7b9#9 — Dominant 7th Flat 9 Sharp 9C13#9 — Dominant 13th Sharp 9C7b9 — Dominant 7th Flat 9C7#5 — Dominant 7th Sharp 5C7b5 — Dominant 7th Flat 5C7alt — Altered DominantC7#9#5 — Dominant 7th #9 #5C7b9b5 — Dominant 7th b9 b5C7#9b5 — Dominant 7th #9 b5C7sus4b9 — Dominant 7th Sus4 Flat 9C9#5 — Dominant 9th Sharp 5C9b5 — Dominant 9th Flat 5C13b9 — Dominant 13th Flat 9C7b13 — Dominant 7th Flat 13Caug7 — Augmented 7thCdim(maj7) — Diminished Major 7thCaugMaj7 — Augmented Major 7th