Key of B Major

The 7 diatonic chords in B Major, shown with their Roman numeral function and color-coded intervals.

B Major Scale & Chords

The B Major scale contains the notes: B, C#, D#, E, F#, G#, A#.

The 7 diatonic chords are: I = B, ii = C#m, iii = D#m, IV = E, V = F#, vi = G#m, vii° = A#dim.

I

ii

iii

IV

V

vi

vii°

Pop (I-V-vi-IV)

B → F# → G#m → E

Classic Rock (I-IV-V)

B → E → F#

50s (I-vi-IV-V)

B → G#m → E → F#

Jazz ii-V-I

C#m → F# → B