Guitar Chords in the Key of C♭ Major

The chords in the key of C♭ Major

C♭ Chord C♭
D♭ minor Chord D♭m
E♭ minor Chord E♭m
F♭ Chord F♭
G♭ Major Chord G♭
A♭ Minor Chord A♭m
B♭ Diminished Chord B♭dim

C♭ - D♭ minor - E♭ minor - F♭ Major - G♭ Major - A♭ minor - B♭ diminished (B♭°)

      C♭    D♭m   E♭m    F♭    G♭   A♭m   B♭dim   
e|----2-----4-----6-----0-----2-----4----------|
B|----4-----5-----7-----0-----2-----4-----2----|
G|----4-----6-----8-----1-----3-----4-----3----|
D|----4-----6-----8-----2-----4-----6-----2----|
A|----2-----4-----6-----2-----------6-----1----|
E|----------------------0-----------4----------|
      I     ii   iii    IV    V     vi   vii    

The chord formula for any Major key is
Major - minor - minor - Major - Major - minor - diminished

A common way to number these chords is by Roman numerals
I - ii - iii - IV - V - vi - vii

(Major chords are usually capitalized, minor and diminished chords are lower case)

Key of C♭ Using 7th Chords

C♭ 7 Chord C♭Maj7
D♭ minor 7 Chord D♭m7
E♭ minor 7 Chord E♭m7
F♭ 7 Chord F♭Maj7
G♭ Dominant 7 Chord G♭7
A♭ Minor 7 Chord A♭m7
B♭ minor 7 ♭5 Chord B♭m7♭5

C♭ 7 - D♭ minor 7 - E♭ minor 7 - F♭ Major 7 - G♭ Dominant 7 - A♭ minor 7 - B♭m7♭5

    C♭Maj7  D♭m7  E♭m7  F♭Maj7 G♭7  A♭m7 B♭m7♭5   
e|----2-----4-----6-----0-----2-----4----------|
B|----4-----5-----7-----0-----2-----4-----2----|
G|----3-----4-----6-----1-----3-----4-----1----|
D|----4-----6-----8-----1-----2-----4-----2----|
A|----2-----4-----6-----2-----4-----6-----1----|
E|----------------------0-----2-----4----------|
      I     ii    iii   IV    V     vi    vii