How to make blip in blue color?
Think you also need this: GET_BLIP_FROM_ENTITY - Cfx.re Docs to get your own blip.
It’s a player blip so you should use
-- https://docs.fivem.net/natives/?_0xDCD4EC3F419D02FA
local playerBlip = GetMainPlayerBlipId()
-- https://docs.fivem.net/natives/?_0x03D7FB09E75D6B7E
SetBlipColour(playerBlip, 3)