check this one out, tested out... and worked for me!
/tellraw @a {text:"test",color:blue,clickEvent:{action:open_url,value:"http://google.com"}}
2013-09-12, 03:54:59 PM UTC
willemrubenwillemruben
MCL-1511
check this one out, tested out... and worked for me!
/tellraw @a {text:"test",color:blue,clickEvent:{action:open_url,value:"http://google.com"}}