Chord · Triads
B♭dim — B♭ Diminished
B♭dim is the B♭ diminished chord. It is built on the root B♭ with minor 3rd (D♭) and diminished 5th (F♭) above it — the formula 1 ♭3 ♭5, sounding the notes B♭ D♭ F♭. On the piano it sits at Bb (octave 3) and above in the library's voicing; the same 3 notes in any octave are still B♭dim.
- Root
- B♭
- Quality
- Diminished
- Formula
- 1 ♭3 ♭5
- Notes
- B♭ D♭ F♭
On the keyboard
Right-hand fingering for this voicing: 1–3–5 (1 is the thumb).
The notes of B♭dim
| Degree | Note | Interval from the root | Pitch |
|---|---|---|---|
| 1 | B♭ | root | B♭3 |
| ♭3 | D♭ | minor 3rd | D♭4 |
| ♭5 | F♭ | diminished 5th | F♭4 |
Other triads on B♭
Diminished chords on every root
Part of the chord reference. See also the scales and the keys.