Chords in the Key of B
The seven diatonic chords of B Major, with Roman numerals and common progressions.
Diatonic Chords in B Major
Common Progressions in B Major
The Chords in B Major
The key of B Major contains seven diatonic chords: B, C#m, D#m, E, F#, G#m, A#dim. The three major chords are B, E, F#. These are the I, IV, and V chords, the backbone of most chord progressions in this key. The three minor chords are C#m, D#m, G#m, and the seventh degree is A#dim, which is rarely used as a standalone chord but appears in passing progressions and jazz harmony.
Common Chord Progressions in B Major
The most popular progression in B Major is I–V–vi–IV: B, F#, G#m, E. This progression is the foundation of hundreds of popular songs across rock, pop, folk, and country. The I chord (B) is the tonal centre; the V chord (F#) creates tension that resolves back to I; and the IV chord (E) adds movement and contrast. Knowing these three chords alone is enough to play a large portion of songs written in B Major.
B Major on Guitar
B Major is one of the most guitar-friendly keys. Most of its diatonic chords can be played as open chord shapes or straightforward barre chords. Guitarists playing in B Major often use open voicings for a full, resonant sound, or move up the neck for a brighter tone. If the chords are too challenging in this key, use our capo chart to find a comfortable capo position that lets you play easier shapes while still sounding in B Major.
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