| Chord | Formula | Scale Notes |
| C# | 1-3-5 | C#-E#-G# |
| C#m | 1-b3-5 | C#-E-G# |
| C#7 | 1-3-5-b7 | C#-E#-G#-B |
| C#m7 | 1-b3-5-b7 | C#-E-G#-B |
| C#maj7 | 1-3-5-7 | C#-E#-G#-B# |
| C#aug | 1-3-#5 | C#-E#-A |
| C#dim7 | 1-b3-b5-bb7 | C#-E-G-A# |
| C#7sus | 1-4-5-b7 | C#-F#-G#-B |
| C#sus2 | 1-2-5 | C#-D#-G# |
| C#sus4 | 1-4-5 | C#-F#-G# |
| C#6 | 1-3-5-6 | C#-E#-G#-A# |
| C#m6 | 1-b3-5-6 | C#-E-G#-A# |
| C#6/9 | 1-3-5-6-9 | C#-E#-G#-A#-D# |
| C#7b5 | 1-3-b5-b7 | C#-E#-G-B |
| C#m7b5 | 1-b3-b5-b7 | C#-E-G-B |
| C#9 | 1-3-5-b7-9 | C#-E-G-Bb-D |
| C#m9 | 1-b3-5-b7-9 | C#-E#-G#-B-D# |