Cm7♭5
C Half-Diminished
1 ♭3 ♭5 ♭7
Notes in Cm7♭5
CR
E♭♭3
F♯♭5
B♭♭7
The Cm7♭5 chord contains 4 notes: C, E♭, F♯, B♭
Intervals
| Interval | Semitones | Note | Function |
|---|---|---|---|
| R | 0 | C | Root |
| ♭3 | 3 | E♭ | Minor 3rd |
| ♭5 | 6 | F♯ | Diminished 5th |
| ♭7 | 10 | B♭ | Minor 7th |
About C Half-Diminished Chords
Half-diminished chords (minor 7 flat 5) combine a diminished triad with a minor 7th. They serve as the ii chord in minor key ii-V-i progressions, making them essential for jazz musicians. The sound is dark but more stable than fully diminished.
Compatible Scales & Modes
These scales contain all the notes of Cm7♭5 and can be used for soloing, improvising, and writing melodies over this chord.
C Locrian
The natural mode for half-diminished chords — every chord tone is a scale tone.
C Locrian ♯2
A common jazz alternative — the natural 2nd adds melodic possibilities.