sass - compass error when putting in array "SCSS" -

i'm trying put colors in array

    $colors:(     "facebook": "#3b5998",     "twitter": "#3cf",     "google": "#dc4a38",     "dribbble": "#f26798",     "skype": "#00aff0" ); 

but got error :

syntax error: invalid css after "   "facebook"": expected ")", ": "#3b5998","