A catheter is provided having a catheter tube which has excellent interlayer bonding strength between a polyamide-based resin and a modified polyolefin resin, and which can ensure visibility with a suitable color degree. A catheter is provided having a catheter tube. The catheter tube includes a first polyamide layer, a modified polyolefin layer arranged on an inner surface of the first polyamide layer, and a second polyamide layer arranged on an outer surface of the first polyamide layer. Among the first polyamide layer, the second polyamide layer, and the modified polyolefin layer, only the second polyamide layer includes a coloring agent.