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Guitar chord · Major 7b5

C#maj7b5 chord (C# Major 7b5)

Major 7th with a lowered 5th: a rare chord with a tritone between the root and the ♭5.

Notes C#E#GB#
Formula 1 3 ♭5 7
Shapes 3 on this page

C#maj7b5 chord shapes

Tap a diagram to strum it. Numbers are fingers: 1 index, 2 middle, 3 ring, 4 pinky. Blue dots are the root, C#.

6th String Root 9 10 10 10 x x
5th String Root x 4 5 5 6 x
4th String Root x x 11 12 13 13

Interactive chord diagram

C#maj7b5 on the fretboard

STR OP 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 E A D G B E ✕ ✕ ✕ ✕ ✕ ✕

Tap any note to hear it.

Scales to play over C#maj7b5

These scales start on C# and contain every note of the chord, so they fit when C#maj7b5 is the chord of the moment.

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Questions

What notes are in a C#maj7b5 chord?
C#maj7b5 is C#, E#, G, B#: the 1, 3, ♭5, 7 of C#.
How do you play C#maj7b5 on guitar?
6th String Root: 9 10 10 10 x x; 5th String Root: x 4 5 5 6 x; 4th String Root: x x 11 12 13 13 (low E to high E, x = don't play the string).
What scale goes with C#maj7b5?
Scales on C# that contain every note of C#maj7b5: C# Lydian, C# Lydian Augmented, C# Lydian #2, C# Lydian Augmented #2, C# Lydian #2 #6, C# Leading Whole Tone.

Major 7b5 chords in every key

More C# chords