Barre chord
fret 4, A shapex46564
C♯maj7 is the C♯ major 7 chord. Its notes are C♯, E♯, G♯ and B♯. It is the same chord as D♭maj7. An open, reflective color. The major seventh sits a semitone below the root.
x46564
9-11-10-10-9-9
Numbers show frets from the low E string to the high e string; x means don't play that string.
C♯maj7 is the Imaj7 chord in C♯ major and the IVmaj7 chord in A♭ major. That makes it a natural fit in songs written in those keys.
Every C♯, E♯, G♯ and B♯ on the first 12 frets. The filled dots are the root, C♯. Build your own shape from any nearby group.
Other C♯ chords
Other major 7 chords