Locrian

Locrian is a minor mode with both a b2 and a b5, the darkest mode of the major scale, built on a diminished triad. It's rarely a tonal center on its own, but it explains why the vii° chord in any key is diminished.

7th mode of the Major scale

Minor

Intervals

1 b2 b3 4 b5 b6 b7

Locrian mode in A — guitar fretboard diagram1b2b34b5b6b71b2b34b5b6b71b2b311112345fr

Chords

Triads

imb5Amb5Amb5 chord diagram5frIImajBbBb chord diagram6friiimCmCm chord diagram8frivmDmDm chord diagram5frVmajEbEb chord diagram6frVImajFF chord diagram8frviimGmGm chord diagram3fr

7th Chords

im7b5Am7b5Am7b5 chord diagram4frIImaj7Bbmaj7Bbmaj7 chord diagram6friiim7Cm7Cm7 chord diagram8frivm7Dm7Dm7 chord diagram5frVmaj7Ebmaj7Ebmaj7 chord diagram6frVI7F7F7 chord diagram8frviim7Gm7Gm7 chord diagram3fr