Violet or Blue (Em<sub>max</sub> 375-491 nm)
- Alexa Fluor® 350 MaleimideCat #: O-0333
- Alexa Fluor® 405Cat #: O-0187
- Alexa Fluor® 350Cat #: O-0170
- DimethylaminocoumarinCat #: O-0033
- Marina Blue®Cat #: O-0032
- Pacific Blue®Cat #: O-0031
- 7-Aminocoumarin-XCat #: O-0029
- Cascade Blue®Cat #: O-0026
- 7-MethoxycoumarinCat #: O-0025
- PyreneCat #: O-0024