Guitar UpscaleC#m7b5 chord on guitar
The C# half diminished chord, written C#m7b5, has 4 notes: C# E G B. The root C# is also written Db, so Dbm7b5 is the same chord.
As tab, thick low E string first: x42000, x45457, 9(10)(11)(12)(12)(12). Numbers in the dots are fingers: 1 index, 2 middle, 3 ring, 4 little, T thumb. × marks a muted string and ○ an open one.
| Notes | C# E G B |
|---|---|
| Formula | 1 b3 b5 b7 |
| Intervals | Root, Minor 3rd, Tritone, Minor 7th |
About the Half Diminished Chord
A half diminished chord is a diminished triad with a flat seventh, the ii chord of a minor key. More about the Half Diminished Chord.
Keys with C#m7b5
These keys have C#m7b5 among their chords:
- D Major Scale (vii°)
- B Natural Minor scale (ii°)
Scales to play over C#m7b5
Each of these scales holds every note of the chord: