| Captain Blue | |
|---|---|
| Captain Scarlet and the Mysterons character | |
 Blue as seen in the 1960s TV series | |
| First appearance | "The Mysterons" (29 September 1967) |
| Created by | Gerry & Sylvia Anderson |
| Designed by | Terry Curtis |
| Voiced by | Ed Bishop |
| In-universe information | |
| Full name | Adam Svenson |
| Occupation | Spectrum officer |
| Significant other | Symphony Angel |
| Nationality | American |
| Captain Blue | |
|---|---|
| New Captain Scarlet character | |
 Blue as seen in the 2005 remake | |
| First appearance | "Instrument of Destruction, Part 1" (12 February 2005) |
| Voiced by | Robbie Stevens |
| In-universe information | |
| Full name | Adam Svenson |
| Occupation | Spectrum officer |
| Significant other | Lieutenant Green |
| Nationality | American |
Captain Blue (born Adam Svenson) is a character in the British Supermarionation television series Captain Scarlet and the Mysterons (1967–68) and its animated remake, New Captain Scarlet (2005). He is a senior officer in the Spectrum Organisation, which is committed to defending Earth against the Mysterons, and is the best friend of Captain Scarlet.