Hi, I have to build a site that works well with a logo that is charcoal grey and a burnt orange colour.
Does anyone have any good examples of colour matching that would go with the branding (good colour guide) or even sites that you know that use similar colours?
Any input appreciated 
Color harmonies is science. And there is pleny software to implement it. Adobe’s kuler is one place to go to benefit from that science. One of many.
Something like this? http://www.u-xplore.com/
I recently made a site design that uses orange and grey… I had to be really careful with the contrast and I ended up using two different oranges because their contrast changed depending on where on the page they were sitting. (though I also had two different greys)
http://www.artisteer.com/?p=forums - this site also uses such colors