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C♯ harmonic major scale

The C♯ harmonic major scale is made of the notes C♯, D♯, E♯, F♯, G♯, A, B♯. It has 7 notes; compared with the major scale its formula is 1 2 3 4 5 ♭6 7.

Modes of the harmonic major · 7 notes

Note names
  1. 1C♯
  2. 2D♯
  3. 3E♯
  4. 4F♯
  5. 5G♯
  6. ♭6A
  7. 7B♯

PatternW – W – H – W – H – W+H – H(W = whole step, H = half step)

The seven scales you get by starting from each degree of the harmonic major: less common colours, for half-diminished, diminished and 7♭9 dominant chords. Degrees are shown relative to the major scale: ♭3 is the third lowered by a half step, ♯4 the fourth raised.

Open in the scale finder

Mode and chords

The major scale with a minor 6th. It combines the brightness of the major with the augmented second of the harmonic minor, between the 6th and 7th.

Used overC♯maj7C♯maj7♯5C♯maj9

Put it into practice

The scale played in thirds over one octave: one of the exercises MEG generates from this scale.

This scale is not part of the demo: in the MEG app you will find it in every key, with 24 patterns.

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Chords built on the scale

Frequently asked questions

What are the notes of the C♯ harmonic major scale?
The notes are C♯, D♯, E♯, F♯, G♯, A, B♯.
What is the pattern of the C♯ harmonic major scale?
The sequence of steps is W – W – H – W – H – W+H – H (W = whole step, H = half step); compared with the major scale the degrees are 1 2 3 4 5 ♭6 7.
Which chords is the C♯ harmonic major scale used over?
It is used over C♯maj7, C♯maj7♯5, C♯maj9: the chords on the tonic made of the notes of the scale.

Texts and tools by , professional musician and developer. Last updated: October 9, 2026.