Quick Answer & Harmonic Definition

To play the C# Major 7th chord on piano, press the keys C#, F, G#, C simultaneously. In root position, C# is the lowest note. First inversion places F in the bass; second inversion uses G# as the lowest note.

Piano Chord

C#maj7 Piano Chord

A major triad with a major seventh. Warm, sophisticated sound used in jazz and R&B. Learn the C# Major 7th chord on piano with interactive keyboard, inversions, and audio playback.

Notes
C# – F – G# – C
Intervals
0 – 4 – 7 – 11
Type
seventh chord
C# F G# C
E
A
D
G
B
e
3
5
7
9
12
4 notes · Standard (E A D G B E)

Playing the C#maj7 Piano Chord

The C#maj7 chord is a major 7th chord built on the root C#. It contains 4 notes: C#, F, G#, C. On piano, this chord is played by pressing these keys simultaneously or as an arpeggio.

A major triad with a major seventh. Warm, sophisticated sound used in jazz and R&B. Mastering the C#maj7 chord opens up countless songs and progressions in the key of C#.

Piano Finger Positions for C#maj7

For the C#maj7 seventh chord, use these finger positions:

  • Right hand (root position): Thumb (1) on C#, middle finger (3) on F, pinky (5) on G#.
  • Left hand (root position): Pinky (5) on C#, middle finger (3) on F, thumb (1) on G#.
  • Arpeggiated: Play the notes sequentially from lowest to highest for a broken seventh effect.

C#maj7 Chord Inversions

Inversions change the bass note while keeping the same harmonic quality:

Inversion Bass Note Notes (bottom to top) Sound
Root C# C# – F – G# – C Most stable
1st F F – G# – C – C# Lighter, less stable
2nd G# G# – C – C# – F Open, airy

Interval Structure of C#maj7

Degree Interval Semitones Note in C#
Root Root (R) 0 C#
3rd Major 3rd 4 F
5th Perfect 5th 7 G#
7th Major 7th 11 C

Common Progressions with C#maj7 on Piano

  • I–IV–V–I: C#maj7 – F#maj7 – G#maj7 – C#maj7 (classic cadence)
  • I–V–vi–IV: C#maj7 – G# – A#m – F# (pop progression)
  • ii–V–I: D#m – G# – C#maj7 (jazz turnaround)

Other C# Piano Chords

C#
Major
C#m
Minor
C#7
Dominant 7th
C#m7
Minor 7th
C#dim
Diminished
C#aug
Augmented

7ª Maior Chord in All 12 Keys

Cmaj7 C#maj7 Dmaj7 D#maj7 Emaj7 Fmaj7 F#maj7 Gmaj7 G#maj7 Amaj7 A#maj7 Bmaj7
Virtual Piano
Interactive keyboard
C#maj7 Guitar
Guitar chord shapes
C# Scale
Notes that fit this chord
Songs
Find songs using C#maj7

Knowledge Base & FAQs

C#maj7 Piano Chord — FAQ

Everything you need to know about our browser-based Web Audio engine, instruments, and music theory workspace.

How do I play the C#maj7 chord on piano?

To play the C# Major 7th chord on piano, press the keys C#, F, G#, C simultaneously.

In root position, C# is the lowest note. First inversion places F in the bass; second inversion uses G# as the lowest note.

What are the notes in the C#maj7 piano chord?

The C# Major 7th piano chord contains 4 notes: C#, F, G#, C.

These are derived from the major 7th interval formula applied to the root note C#.

What is the best fingering for C#maj7 on piano?

For the C#maj7 seventh in root position, use fingers 1 (thumb), 3, and 5 for a triad, or 1, 2, 3, and 5 for a seventh chord.

Inversions may use 1, 2, 4 (first inversion) or 1, 3, 5 (second inversion).

What does the C#maj7 chord sound like?

The C#maj7 chord has a a major triad with a major seventh.

warm, sophisticated sound used in jazz and r&b. It provides rich harmonic tension and expressive color within songwriting and jazz arrangements.

What keys does the C#maj7 chord belong to?

C#maj7 appears frequently across modal, jazz, blues, and contemporary progressions as an essential tension or resolution voicing.

What are the inversions of C#maj7 on piano?

C#maj7 has 3 inversions.

Root position: C#–F–G#–C. First inversion: F–G#–C–C#. Second inversion: G#–C–C#–F.

What chords go well with C#maj7 on piano?

In the key of C# major, C#maj7 pairs naturally with F# major (IV chord), G# major (V chord), and A#m (vi chord).

The I–IV–V–I progression is a classic way to practice these.

Is C#maj7 a good chord for beginners on piano?

C#maj7 has 4 notes, which may be challenging for beginners.

Start with the basic triad (root, third, fifth) before adding the full seventh extension.

How do I use C#maj7 in a chord progression?

C#maj7 functions as the tonic (I) in C# major.

A classic progression is I–IV–V–I: C#maj7–F#–G#–C#maj7. Practice this in both hands separately before combining.

What is the difference between C# major and C# minor on piano?

The C# major chord (C#–F–G#) uses a major third (4 semitones from root) for a bright sound.

The C#m chord uses a minor third (3 semitones) for a darker, more emotional sound.