The C# major chord is built from a root note (C#), a major third (E#), and a perfect fifth (G#):
- Type: major triad.
- Formule: 1 3 5.
- Music notes: C# (1) E# (3) G# (5).
- Chords to play with: IV (F#) y V (G#).
C# chord [Musical explanation]
The C# major chord is a major triad with formula 1 – 3 – 5. Therefore, to build it we need C# (1), E# (3), G# (5):
This is due to the fact that a major chord is made up of 2 third intervals:
- A major interval (4 half steps between the 3rd and root).
- A minor inteval (3 half steps between the 5th and 3rd).
If we apply this principle to the C# chord we obtain that:
- E# is the major third of C# because it is 4 half steps above the root.
- G# is the perfect fifth of C# because it is 3 half steps above the 3rd.
Thus, this confirms that the C# major chord is defined by:
Root (C#) – Major Third (E#) – Perfect Fifth (G#)
C# Guitar Chord
The C# major chord guitar has the following shape on the fretboard:
Let’s analyze in detail this chord diagram above to make sure that we understand how to play the C# on guitar. To do that we will start by analyzing the 3 circles in blue, which indicate that on the strings 4 (D), 3 (G) and 2 (B) we have to place the fingers 2 (middle), 3 (ring finger) and 4 (pinky). In this case we have a barre chord, so we have to use as well the index finger (1) to press down the strings from 5 to 1.
Note by the way the number 4 in black on the left that indicates on which fret we start playing the chord.
On the other hand, at the top we see that we have the characters:
X C# G# C# E# G#
This simply means that in the:
- Sixth string there is no sound.
- Fifth string sounds the C# note.
- Fourth string sounds the G# note.
- Third string sounds the C# note.
- Second string sounds the E# note.
- First string sounds the G# note.
And at the bottom we find the numbers:
1 5 1 3 5
This indicates that in the:
- Sixth string There is no number because there is no sound.
- Fifth string sounds the root (1).
- Fourth string sounds the perfect fifth (5).
- Third string sounds the root (1).
- Second string sounds the major third (3).
- First string sounds the perfect fifth (5).
⚠️ Important: it is not mandatory to memorize all this information to play the C# chord on guitar. But it is highly recommended to know it in order to understand the musical theory behind each chord.
Other ways to play the C# guitar chord
In addition to the diagram shown at the beginning of the article, we can also find the C# chord in the following fretboard positions:
C# major triad chords and inversions
Triads
First Inversion (C#/E#)
Second Inversion (C#/G#)
C# Ukulele Chord
Here you can see as well the C# uke chord diagram:
C# Piano Chord
To play the C# chord on piano we only need to find the same music notes on its keys:
First Inversion (C#/E#)
Second Inversión (C#/G#)
Music scales in which the C# major chord can be found
- C# major scale (harmonized with triads)
- C# D#m E#m F# G# A#m B#dim
- F# major scale (harmonized with triads)
- F# G#m A#m B C# D#m E#dim
- G# major scale (harmonized with triads)
- G# A#m B#m C# D# E#m Gdim
- A# minor natural scale (harmonized with triads)
- A#m B#dim C# D#m E#m F# G#
- E# natural minor scale (harmonized with triads)
- E#m F##dim G# A#m Bm C# D#
- D# natural minor scale (harmonized with triads)
- D#m E#dim F# G#m A#m B C#
- F# harmonic minor scale (harmonized with triads)
- F#m G#dim Aaug Bm C# D E#dim
- E# harmonic minor scale (harmonized with triads)
- E#m Gdim G#aug A#m B# C# Edim
- F# natural minor scale (harmonized with triads)
- F#m G#m Aaug B C D#dim E#dim
- G# natural minor scale (harmonized with triads)
- G#m A#m Baug C# D# E#dim Gdim
C# Major Chord PDF
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