Club deeply saddened by former boss' death.
Dick, who led the U's to one of the greatest FA Cup shocks of all time when they beat Leeds in 1971, died early on Thursday morning.
"He appeared to recover well from that operation, but an underlying heart condition worsened in January and for the last three weeks or so he has been confined to bed.
A family statement, issued to the club on Thursday evening said: "Dick has been unwell for some time now following a hip replacement operation in December.
"During the last few weeks close members of his family have been with him, supported him and tried to help him through this difficult time.
"Ray was the player who got two of the goals at that epic footballing battle when Colchester United beat Leeds United on 13th February 1971.
"During his last evening with us, we read to him a passage from Ray Crawford's autobiography.
"But away from the arena he was a kind, reflective man and one who believed that this life was a test and whatever life throws at us, we must not only try to do our best but always act with integrity.
"Strong minded, intelligent and a man of integrity. To us he was certainly a Gladiator in his own time, when he was a player and a leader of Gladiators when he was a manager.
"Our father, grandfather and Anne's husband, will always be known to the public for that memorable achievement. But to us he was always Dad, Granddad, Dick.
"We will miss him, we will remember him and we will always be mindful of the lessons he taught us."