you can look at toning your hair with a ash tone hair colour and using a developerthat will not lift the hair.
toning for blondes will normaly be a light ash blond tone, if you use a dark ash blonde colour should work.
a friend at work has golden brown hair that she tone down with Myhd colour 7.1 and there no lift developer and follow there toner instructions on there website. have a look http://www.myhdhair.com