C Locrian scale

The C Locrian scale is a 7-note locrian scale built on the root C. Its notes are C, C♯, E♭, F, F♯, A♭ and B♭. The unstable seventh mode — diminished tonic and a flat fifth, rarely used as tonal centre. This page covers the formula, fingerings, diatonic chords and common progressions that make C Locrian a powerful tool for improvising and composing.

Locrian is rare as a tonal centre because of its diminished tonic, but it is essential for understanding modal theory and shows up in metal and avant-garde jazz. Built on the root C, the scale takes on the specific colour and pitch range of that key — making it especially useful in genres and registers where C is a comfortable tonal centre.

Formula & step pattern

Formula
1P · 2m · 3m · 4P · 5d · 6m · 7m
Step pattern
H - W - W - H - W - W - W

The C Locrian scale follows a minor scale with a flat second and a flat fifth (H-W-W-H-W-W-W). Step pattern: H - W - W - H - W - W - W. Intervals from the root: 1P · 2m · 3m · 4P · 5d · 6m · 7m. Memorising the formula lets you transpose the scale to any other root note quickly.

C Locrian on the piano

Piano keyboard highlighting the C Locrian scale notesCFCFC♯E♭F♯A♭B♭C♯E♭F♯A♭B♭C LocrianC · C♯ · E♭ · F · F♯ · A♭ · B♭

C Locrian on the guitar

Guitar fretboard highlighting the C Locrian scale notesEBGDAEFF♯A♭B♭CC♯E♭CC♯E♭FF♯A♭B♭A♭B♭CC♯E♭FF♯E♭FF♯A♭B♭CC♯B♭CC♯E♭FF♯A♭FF♯A♭B♭CC♯E♭C Locrianfr 0–12

C Locrian on the staff

Hear the C Locrian scale

C Locrian
C · C♯ · E♭ · F · F♯ · A♭ · B♭
CC♯E♭FF♯A♭B♭

Notes of the C Locrian scale

Notes: C · C♯ · E♭ · F · F♯ · A♭ · B♭Step pattern: H - W - W - H - W - W - W
DegreeIntervalSemitonesNote
11P0C
22m1C♯(C#)
33m3E♭(Eb)
44P5F
55d6F♯(F#)
66m8A♭(Ab)
77m10B♭(Bb)

Diatonic chords of C Locrian

These are the chords that naturally form on each degree of the scale. Click a chord to open its dedicated page.

How to use the C Locrian scale

The diatonic chords of C Locrian are: i° = C°, II = C♯, iii = E♭m, iv = Fm, V = F♯, VI = A♭, vii = B♭m. These seven chords belong naturally to the key and are the safest harmonic vocabulary when writing songs in C Locrian. Click any chord below to open its full diagram and progressions.

Locrian is rare as a tonal centre because of its diminished tonic, but it is essential for understanding modal theory and shows up in metal and avant-garde jazz.

Practice tips

Locrian is best learned as a theoretical exercise: spell each diatonic chord and notice why the diminished tonic makes it unstable.

Famous songs in this key

C Locrian appears throughout locrian is rare as a tonal centre because of its diminished tonic, but it is essential for understanding modal theory and shows up in metal and avant-garde jazz. Listening to music in this scale and transcribing short phrases is the fastest way to absorb its sound.

Once you are comfortable with C Locrian, explore related scales to expand your vocabulary. The scales below share notes, modes or tonal centres with C Locrian and are a natural next step in your study.

Frequently asked questions

What notes are in the C Locrian scale?
The C Locrian scale contains C, C♯, E♭, F, F♯, A♭ and B♭.
What is the formula for the C Locrian scale?
C Locrian follows a minor scale with a flat second and a flat fifth (H-W-W-H-W-W-W).
Is C Locrian a major or minor scale?
C Locrian is a locrian scale. The unstable seventh mode — diminished tonic and a flat fifth, rarely used as tonal centre.
What chords belong to the C Locrian scale?
The diatonic chords of C Locrian are C°, C♯, E♭m, Fm, F♯, A♭, B♭m.
Which genres use C Locrian?
Locrian is rare as a tonal centre because of its diminished tonic, but it is essential for understanding modal theory and shows up in metal and avant-garde jazz.
How do I practise the C Locrian scale?
Locrian is best learned as a theoretical exercise: spell each diatonic chord and notice why the diminished tonic makes it unstable.

Take C Locrian into your music

Build progressions, find chord voicings and improvise with confidence using our music tools.