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C#/Ab Guitar Chord

The fundamental chord with a bright, happy and stable sound. Forms the basis of most popular, rock, folk and classical music. Consists of three notes: the root, major third and perfect fifth. This is a slash chord — the bass note is Ab instead of the root.

Guitar

Strings 4–4–6–6–6–4

How to play the C#/Ab chord on guitar

Read the string pattern 4–4–6–6–6–4 from the low E string to the high E string. Numbers in the pattern are frets; numbers in the colored dots are left-hand fingers. X means a muted string and 0 means an open string.

6th string (low E) Fret 4 · index finger
5th string (A) Fret 4 · index finger
4th string (D) Fret 6 · middle finger
3rd string (G) Fret 6 · ring finger
2nd string (B) Fret 6 · little finger
1st string (high E) Fret 4 · index finger

Notation for C#/Ab chord

Other names: C# major, C# maj, C# M

Music theory name: major triad

Common name: C# major chord

Intervals and tones in C#/Ab chord

Note Interval
C# Root
F Major 3rd
Ab Perfect 5th

All Variations

Fret 4
4–4–6–6–6–4
Fret 4
X–X–6–6–6–4
Fret 6
X–X–6–6–6–9
Fret 9
X–11–11–10–9–9

More chords with C# as the root

The same chord type in other keys