The command to spawn a blue axolotl in Minecraft is /summon minecraft:axolotl ~ ~ ~ {Variant:4}. As soon as you press enter, a rare blue variant should spawn instantly in your world.

However, there is a command to spawn blue axolotls, saving some time and effort if you want to skip to the good stuff: Command: /summon minecraft:axolotl ~ ~ ~ {Variant:4} ...

How To Spawn Axolotl Axolotl are strange, colorful amphibians that are meant to spawn in Lush Caves — a new inclusion in Minecraft that will release in Part 2, coming in December 2021.