Chords in the key of B

The key of B major has seven chords: B · C♯m · D♯m · E · F♯ · G♯m · A♯dim. Tap any chord to hear it.

Keys lit: the B major scale. Tap a chord to light its notes.

The B major chord chart

DegreeTriadNotes7th chordFunction
IBB D♯ F♯Bmaj7 (Imaj7)Tonic: home
iiC♯mC♯ E G♯C♯m7 (ii7)Pre-dominant
iiiD♯mD♯ F♯ A♯D♯m7 (iii7)Tonic substitute
IVEE G♯ BEmaj7 (IVmaj7)Subdominant
VF♯F♯ A♯ C♯F♯7 (V7)Dominant: pulls home
viG♯mG♯ B D♯G♯m7 (vi7)Relative minor
vii°A♯dimA♯ C♯ EA♯m7♭5 (viiø7)Leading-tone chord

Key of B at a glance

  • Scale: B C♯ D♯ E F♯ G♯ A♯
  • Key signature: 5 sharps (C♯ D♯ F♯ G♯ A♯)
  • Major chords: B, E, F♯
  • Minor chords: C♯m, D♯m, G♯m
  • Diminished: A♯dim
  • Relative minor: G♯ minor

The pattern of chord qualities is the same in every major key: major, minor, minor, major, major, minor, diminished. It comes from stacking every other note of the scale on each degree.

Common progressions in B

ProgressionChords in BPlay
I–V–vi–IV (pop)B – F♯ – G♯m – E
I–IV–V (rock and folk)B – E – F♯ – B
I–vi–IV–V (50s)B – G♯m – E – F♯
ii–V–I (jazz)C♯m – F♯ – B – B
vi–IV–I–V (sensitive)G♯m – E – B – F♯

More ideas by mood: pop, sad and jazz chord progressions, or loop your own in the chord progression generator.

Other keys

Questions

What chords are in the key of B?

The key of B major has seven chords: B, C♯m, D♯m, E, F♯, G♯m, A♯dim. In Roman numerals that is I, ii, iii, IV, V, vi and vii°.

What are the I, IV and V chords in B?

B (I), E (IV) and F♯ (V). These three major chords can harmonise most simple melodies in B major.

What is the relative minor of B major?

G♯ minor. It uses the same notes and key signature (5 sharps), starting on the sixth degree, G♯.

What notes are in the B major scale?

B, C♯, D♯, E, F♯, G♯, A♯, then B again an octave higher.