You don't require router for vlan communication if you have layer 3 switch. Layer-3 switch will take care of routing between VLANs provided that you create SVI interfaces for each of those VLANs on switch.
You do not need a router to route between your vlans in this case. What you do is create L3 SVIs (Switched Virtual Interfaces) for each vlan.
So assuming you have 3 vlans on the switch -
switch(config)# int vlan 10
switch(config-if)# ip address 192.168.5.1 255.255.255.0
switch(config)# int vlan 11
switch(config-if)# ip address 192.168.6.1 255.255.255.0
switch(config)# int vlan 12
switch(config-if)# ip address 192.168.7.1 255.255.255.0
once you have created the interfaces as above then your vlans should be able to communicate.
Note that you do not need any static routes or dynamic routing on the switch because all the L3 interfaces are seen as directly connected. If you wanted to connect to another L3 device then you would need static/dynamic routing to exchange routes.
Note also you may have to enable routing on the L3 switch ie.
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