Partial barre
fret 3x13323
B♭m6 is the B♭ minor 6 chord. Its notes are B♭, D♭, F and G. It is the same chord as A♯m6. Minor with a natural sixth. Notice how it differs from a minor seventh chord.
x13323
Numbers show frets from the low E string to the high e string; x means don't play that string.
Every B♭, D♭, F and G on the first 12 frets. The filled dots are the root, B♭. Build your own shape from any nearby group.
Other B♭ chords
Other minor 6 chords