I believe that the paint on the Specialized is enamel with an enamel laquer finish. Finding an exact colour match in enamel could be difficult but if you wanted to use acrylic car paint then don't waste your money trying to choose the paint by the colour example that's on the cap of the can. Those colours are always a different shade to the actual paint inside. I put my 2011 Camber along side several red cars and found that, 'Peugeot Scarlet Red' was very close match. The Citroen car company also use the same colour, the code is KJH (sometimes known as KJH, Y2). After using wet & dry paper, (600 or 800 grit), to rub the shine off the original paint, white acrylic primer should be used as dark colours will bleed through and make the red darker.
I completely repainted the red tail piece of my bike and it turned out pretty good. If you also intend to paint a large area then don't buy normal gloss car paint. Go online and order a spray can of base coat along with a can of laquer. ('Base coat' is specially made to use with a laquer finish). Only breeze over the area with a very light coat and leave for a few minutes before the next light coat then do the same with the laquer to give a nice gloss to match the rest of the bike. If you apply either the paint or the laquer too heavily or if you apply too many coats it will simply remain soft and will come off when you run your finger nail over it. Just two or three very light coats is all that's needed, then leave it overnight. Believe me, less is better in this case, along with a lot of patience.
I should mention that I masked the black graphics and also the patent number section of the inner part of the tail piece prior to painting but I removed the masking tape before applying the laquer.