Open access table of visible stars with magnitude, coordinates, and possibly color?
The Hipparcos catalogue by van Leeuwen (2007) contains all the information you require, plus estimates of distance from parallax. It is open and free to use for scientific purposes.

http://vizier.u-strasbg.fr/viz-bin/VizieR?-source=I%2F311

The direct page that describes the catalogue contents and ftp site is http://cdsarc.u-strasbg.fr/viz-bin/Cat?I/311

The tables themselves are at ftp://cdsarc.u-strasbg.fr/pub/cats/I/311