A 1ml oral syringe that is blue in color is used to measure and administer small amounts of liquid medication, typically 1 milliliter or less. The blue color is often used to differentiate it from other syringes with different volumes or purposes, making it easier to identify and avoid confusion. This syringe is commonly used in healthcare settings to administer oral medication, particularly to infants and young children. It is also used for small doses of medication for adults or for pets. 1ml oral syringe blue color typically has markings on the barrel that indicate the volume of the liquid being measured or administered, which can be read in increments of 0.1 mL or smaller.