Piano Chords Reference

All diatonic chords in all 12 major keys

Key of C Major

C I

C - E - G

Dm ii

D - F - A

Em iii

E - G - B

F IV

F - A - C

G V

G - B - D

Am vi

A - C - E

Bdim vii°

B - D - F

Key of Db Major

Db I

Db - F - Ab

Ebm ii

Eb - F# - Bb

Fm iii

F - Ab - C

F# IV

F# - Bb - Db

Ab V

Ab - C - Eb

Bbm vi

Bb - Db - F

Cdim vii°

C - Eb - F#

Key of D Major

D I

D - F# - A

Em ii

E - G - B

F#m iii

F# - A - Db

G IV

G - B - D

A V

A - Db - E

Bm vi

B - D - F#

Dbdim vii°

Db - E - G

Key of Eb Major

Eb I

Eb - G - Bb

Fm ii

F - Ab - C

Gm iii

G - Bb - D

Ab IV

Ab - C - Eb

Bb V

Bb - D - F

Cm vi

C - Eb - G

Ddim vii°

D - F - Ab

Key of E Major

E I

E - Ab - B

F#m ii

F# - A - Db

Abm iii

Ab - B - Eb

A IV

A - Db - E

B V

B - Eb - F#

Dbm vi

Db - E - Ab

Ebdim vii°

Eb - F# - A

Key of F Major

F I

F - A - C

Gm ii

G - Bb - D

Am iii

A - C - E

Bb IV

Bb - D - F

C V

C - E - G

Dm vi

D - F - A

Edim vii°

E - G - Bb

Key of F# Major

F# I

F# - Bb - Db

Abm ii

Ab - B - Eb

Bbm iii

Bb - Db - F

B IV

B - Eb - F#

Db V

Db - F - Ab

Ebm vi

Eb - F# - Bb

Fdim vii°

F - Ab - B

Key of G Major

G I

G - B - D

Am ii

A - C - E

Bm iii

B - D - F#

C IV

C - E - G

D V

D - F# - A

Em vi

E - G - B

F#dim vii°

F# - A - C

Key of Ab Major

Ab I

Ab - C - Eb

Bbm ii

Bb - Db - F

Cm iii

C - Eb - G

Db IV

Db - F - Ab

Eb V

Eb - G - Bb

Fm vi

F - Ab - C

Gdim vii°

G - Bb - Db

Key of A Major

A I

A - Db - E

Bm ii

B - D - F#

Dbm iii

Db - E - Ab

D IV

D - F# - A

E V

E - Ab - B

F#m vi

F# - A - Db

Abdim vii°

Ab - B - D

Key of Bb Major

Bb I

Bb - D - F

Cm ii

C - Eb - G

Dm iii

D - F - A

Eb IV

Eb - G - Bb

F V

F - A - C

Gm vi

G - Bb - D

Adim vii°

A - C - Eb

Key of B Major

B I

B - Eb - F#

Dbm ii

Db - E - Ab

Ebm iii

Eb - F# - Bb

E IV

E - Ab - B

F# V

F# - Bb - Db

Abm vi

Ab - B - Eb

Bbdim vii°

Bb - Db - E