Diatonic ChordsThe 7 chords naturally occurring in the scale
C
I
Dm
ii
Em
iii
F
IV
G
V
Am
vi
Bdim
vii°
Modal ChordsDiatonic triads from parallel modes that are not already in the selected scale
Dorian
Cm
i
Eb
bIII
Gm
v
Adim
vi°
Bb
bVII
Phrygian
Cm
i
Db
bII
Eb
bIII
Fm
iv
Gdim
v°
Ab
bVI
Bbm
bvii
Lydian
D
II
F#dim
#iv°
Bm
vii
Mixolydian
Edim
iii°
Gm
v
Bb
bVII
Natural Minor (Aeolian)
Cm
i
Ddim
ii°
Eb
bIII
Fm
iv
Gm
v
Ab
bVI
Bb
bVII
Locrian
Cdim
i°
Db
bII
Ebm
biii
Fm
iv
Gb
bV
Ab
bVI
Bbm
bvii
Secondary DominantsDominant 7th chords resolving to other scale degrees
A7
V7/ii
B7
V7/iii
C7
V7/IV
D7
V7/V
E7
V7/vi