Chord Colors

F♯ Ultra Locrian scale

About the F sharp Ultra Locrian scale

F sharp Ultra Locrian is used for jazz over diminished dominant chords and extreme, dissonant writing. Think of it as the darkest locrian of all, lowered all the way to a double-flat seventh.

Its notes are F, G, A, B, C, D, and E. The formula is H W H W W H 1½. It is the seventh mode of G Harmonic Minor.

Also called Altered Diminished.

On the piano, F Ultra Locrian touches the black keys F, B, and E.

Chords in the key of F sharp Ultra Locrian

Expand a chord to see how to play it.

F sharp diminished
Position 2 of 3

F sharp diminished over A (1st inversion)

ii G minor
Position 2 of 3

G minor over B flat (1st inversion)

iii° A diminished
Position 2 of 3

A diminished over C (1st inversion)

IV+ B flat augmented
Position 2 of 3

B flat augmented over D (1st inversion)

v C minor
Position 2 of 3

C minor over E flat (1st inversion)

VI D
Position 2 of 3

D over F sharp (1st inversion)

VII E flat
Position 2 of 3

E flat over G (1st inversion)

Seventh chords in F sharp Ultra Locrian

The four-note version of each chord, richer and jazzier.

F sharp diminished seven

F sharp diminished seven

ii G minor major seven

G minor major seven

iii° A minor seven flat five

A minor seven flat five

IV+ B flat major seven sharp five

B flat major seven sharp five

v C minor seven

C minor seven

VI D seven

D seven

VII E flat major seven

E flat major seven

Notes and intervals

1F#F♯Root
2GGMinor 2nd
3AAMinor 3rd
4BbB♭Diminished 4th
5CCDiminished 5th
6DDMinor 6th
7EbE♭Diminished 7th
StepsH W H W W H 1½
Semitones1-2-1-2-2-1-3
Degrees1 2 3 4 5 6 ♭♭7

Fingering

Suggested fingering, follows standard fingering rules

Hand F sharpGAB flatCDE flatF sharp
Right hand41231234
Left hand32132143

Shapes

Chromatic

CC♯D♭DD♯E♭EFF♯G♭GG♯A♭AA♯B♭B

Circle of Fifths

CGDAEBF♯G♭C♯D♭G♯A♭D♯E♭A♯B♭F

Related scales

Ultra Locrian in other keys

Modes

The same notes, starting on a different note.

Embed this scale

Paste the snippet into a lesson page, a blog or a forum post. The card links back here.

Gb Ultra Locrian scale on piano shown as colored note dots
Chord Colors

There's so much more to explore

Explore on the go. Over 150 chord progressions, modal mixture, build your own progressions, and more!

Try web version iOS app
Chord Colors on iPhone showing chords, guitar voicings, progressions, and scales