Major blues scale chords across all roots

A triad is a three-note chord. These use only notes from the scale. Some scale notes can be the root of several triads; others have none.

Root	1	2	♭3	3	5	6
C	C major C minor	No triad	No triad	No triad	No triad	A minor Adim
D♭	D♭ major D♭ minor	No triad	No triad	No triad	No triad	B♭ minor B♭dim
D	D major D minor	No triad	No triad	No triad	No triad	B minor Bdim
E♭	E♭ major E♭ minor	No triad	No triad	No triad	No triad	C minor Cdim
E	E major E minor	No triad	No triad	No triad	No triad	C♯ minor C♯dim
F	F major F minor	No triad	No triad	No triad	No triad	D minor Ddim
F♯	F♯ major F♯ minor	No triad	No triad	No triad	No triad	D♯ minor D♯dim
G	G major G minor	No triad	No triad	No triad	No triad	E minor Edim
A♭	A♭ major A♭ minor	No triad	No triad	No triad	No triad	F minor Fdim
A	A major A minor	No triad	No triad	No triad	No triad	F♯ minor F♯dim
B♭	B♭ major B♭ minor	No triad	No triad	No triad	No triad	G minor Gdim
B	B major B minor	No triad	No triad	No triad	No triad	G♯ minor G♯dim