The C# Major chord is one of the most common and popular chords on the guitar. The open C# chord is one of the first chords that most guitarists learn, and it has been used in countless songs across many genres.
Some Quick C# Chord Theory
- The C# Major chord contains the notes C#, E# and G#.
- The C# Major chord is produced by playing the 1st (root), 3rd and 5th notes of the C# Major scale.
- The C# Major chord (just like all Major chords) contains the following intervals (from the root note): Major 3rd, minor 3rd, Perfect 4th (back to the root note).
- The C# Major chord is the first chord in the key of C# Major. The seven chords in the key of C# Major are: C#, D#m, E#, F#, G#, A#, B# diminished.
10 Ways To Play The C# Major Chord
If you’ve come to this page just to view some chord diagrams for C#, here they are.
![C# Chord on the Guitar (C Shape Major) - Diagrams, Finger Positions, Theory (1) C# Chord on the Guitar (C Shape Major) - Diagrams, Finger Positions, Theory (1)](https://i0.wp.com/onlineguitarbooks.com/wp-content/uploads/2019/12/C-Major-Chord-10-Shapes-1-1024x706.png)
Standard C# Chord Shape
The most common way to play the C# chord essentially the root-5 C# barre chord, played on the fourth fret. Often, as in the example below, the first finger does not actually form a barre, but instead simply plays the root note.
![C# Chord on the Guitar (C Shape Major) - Diagrams, Finger Positions, Theory (2) C# Chord on the Guitar (C Shape Major) - Diagrams, Finger Positions, Theory (2)](https://i0.wp.com/onlineguitarbooks.com/wp-content/uploads/2022/04/C-Sharp-Chord-Guitar.png)
Easy C# Chord Shape
The easy version of the C# chord is played on the first three strings of the guitar. Learning this simplified shape can be a good way to start using the Bb chord if you find the barre chord versions too challenging. It is the same shape as the standard open D chord shape (without the open string) and moved down one fret (remember that C# is the same as Db).
![C# Chord on the Guitar (C Shape Major) - Diagrams, Finger Positions, Theory (3) C# Chord on the Guitar (C Shape Major) - Diagrams, Finger Positions, Theory (3)](https://i0.wp.com/onlineguitarbooks.com/wp-content/uploads/2022/04/Easy-C-Sharp-Chord-Guitar.png)
How to Play the C Sharp Major Chord (Step by Step)
- Place your first finger on the fourth fret of the fifth string.
- Place your second finger on the sixth fret of the fourth string.
- Place your third finger on the sixth fret of the third string.
- Place your fourth finger on the sixth fret of the second string.
- Without strumming the sixth string, strum the first five strings.
The instructions above are step by step instructions for playing the most common C# Major chord shape. These instructions can actually be super helpful when you feel like you’re interpreting the shape incorrectly. By going through the C# chord instructions step by step, you can verify that you’re playing the chord correctly.
Barre Chord Shapes for C Sharp
The C# chord can be played as a barre chord by playing a root 6 barre chord shape and starting on the 9th fret or by playing a root 5 barre chord Major shape and starting on the 4th fret:
![C# Chord on the Guitar (C Shape Major) - Diagrams, Finger Positions, Theory (4) C# Chord on the Guitar (C Shape Major) - Diagrams, Finger Positions, Theory (4)](https://i0.wp.com/onlineguitarbooks.com/wp-content/uploads/2022/04/C-Sharp-Barre-Chord-Guitar.png)
C# Major Triads
Playing the C# chord using barre chord shapes is the most common way of playing the chord. However, it is also useful to explore the chord using triads (including inversions). The C sharp Major triad can be voiced in the following three ways:
- C# Major Triad (Root Position) – C#, E#, G#
- C# Major Triad (1st Inversion) – E#, G#, C#
- C# Major Triad (2nd Inversion) – G#, C#, E#
Here are six different ways to play the C# Major triad (including inversions).
![C# Chord on the Guitar (C Shape Major) - Diagrams, Finger Positions, Theory (5) C# Chord on the Guitar (C Shape Major) - Diagrams, Finger Positions, Theory (5)](https://i0.wp.com/onlineguitarbooks.com/wp-content/uploads/2022/04/C-Sharp-Major-Triad-Guitar.png)
Which Keys Have The C# Chord in Them?
The C# chord can be found in the following keys:
- The key of C# Major (C#, D#m, E#m, F#, G#, A#m, B#dim)
- The key of G# Major (G#, A#m, B#m, C#, D#, E#m, Fxdim)
- The key of F# Major (F#, G#m, A#m, B, C#, D#m, E#dim)
- The key of A# minor (A#m, B#dim, C#, D#m, E#m, F#, G#)
- The key of D# minor (D#m, E#dim, F#, G#m, A#m, B, C#)
Alternative But Useful C Sharp Chord Shapes
The following shapes are alternative ways of playing the C sharp Major chord shape. They’re not the most common C# shapes, but used enough to include here as interesting alternatives.
![C# Chord on the Guitar (C Shape Major) - Diagrams, Finger Positions, Theory (6) C# Chord on the Guitar (C Shape Major) - Diagrams, Finger Positions, Theory (6)](https://i0.wp.com/onlineguitarbooks.com/wp-content/uploads/2022/04/Alternative-C-Sharp-Chord-Shapes-Guitar.png)
C# Chord Substitutions
The C# chord can often be substituted with the C# sus 4 chord, the C# sus 2 chord and the C# add 9 chord. The C# chord can also be used itself as a substitute for more complicated chords, such as the C# Major 7 chord, the C#7 chord, and other extension chords which have C# as the root note (it can’t be used in place of minor chords though!).
Which Scales Can Be Played Over the C# chord?
The most common and effective scales that can be used to solo/improvise over the C# Major chord, or to create melodies for the purposes of song writing are:
- C# Major scale – This is the ‘default scale’ of the C# chord.
- C# Lydian mode – This scale can be used over the C# chord in certain contexts to add a jazz flavour.
Further Reading
- C# Major scale
- How Major chords work
- Chords page
- C#/E# chord
- C#/G# chord