C#m7♭5 chord on Ukulele – Slack Key (GCEG)
in Slack Key (GCEG) tuning
C#m7♭5
Half-Diminished
Notes:C# · E · G · B
Piano Left hand Right hand
Fingerings (14)
C#m7♭5 shapes as text
| Shape | Frets | Fingers | Notes | Difficulty |
|---|---|---|---|---|
| 0 1 0 4 | – 1 – 2 | G C# E B | medium | |
| 4 4 3 6 | 2 3 1 4 | B E G C# | medium | |
| 0 4 7 6 | – 1 3 2 | G E B C# | medium | |
| 6 7 7 9 | 1 2 3 4 | C# G B E | medium | |
| 9 11 9 0 | 1 2 1 – | E B C# G | medium · barre on fret 9 | |
| 4 1 0 0 | 2 1 – – | B C# E G | medium | |
| 6 4 3 4 | 4 2 1 3 | C# E G B | medium | |
| 4 7 0 6 | 1 3 – 2 | B G E C# | medium | |
| 9 7 7 6 | 4 2 3 1 | E G B C# | medium | |
| 9 11 9 12 | 1 2 1 3 | E B C# G | medium · barre on fret 9 | |
| 6 4 7 0 | 2 1 3 – | C# E B G | medium | |
| 0 11 9 9 | – 3 1 2 | G B C# E | medium | |
| 6 7 0 4 | 2 3 – 1 | C# G E B | medium | |
| 12 11 9 9 | 4 3 1 2 | G B C# E | medium |
The C#m7♭5 chord (Half-Diminished) is built from the notes C#, E, G, B. Below are playable fingerings for Ukulele – Slack Key (GCEG) generated for your selected tuning, ordered from open-position shapes up the neck. Tap a diagram to hear it, or switch to the piano view to see the same harmony on keys.
How the C#m7♭5 chord is built
Formula: 1 · ♭3 · ♭5 · ♭7
| Degree | Semitones | Note |
|---|---|---|
| 1 | 0 | C# |
| ♭3 | 3 | E |
| ♭5 | 6 | G |
| ♭7 | 10 | B |
More C# chords
Other roots
See C#m7♭5 in another tuning
What notes make up the C#m7♭5 chord?
C#m7♭5 is a Half-Diminished chord built from the notes C#, E, G, B.
How do I read the diagram?
Strings run left to right from the lowest to the first string; the numbers show which finger presses each fret. An ○ marks an open string, an ✕ marks a muted one.