C# Altered — diatonic chords

Super Locrian. Used over altered dominant chords in jazz.

7 chords · one per scale degree

Diatonic triads

Chord details

DegreeNumeralChordQuality
1C#°Diminished
2iiDmMinor
3iiiEmMinor
4IV+F+Augmented
5VGMajor
6VIAMajor
7vii°Diminished

Altered in other keys

Scale diagram

View C# Altered fretboard diagram →

Other scales in C#

About the C# Altered scale's harmony

The C# Altered scale produces the following diatonic triads: C#°, Dm, Em, F+, G, A, B°. These chords all use only the notes of the C# Altered scale. The Roman numerals (i°–ii–iii–IV+–V–VI–vii°) show the function of each chord within the key.