Krishna is the omnipotent, supreme god. He can appear in a number of forms. God is always possesses a wonderful form. Srimad bhagavatam reveals god has spiritual body that is full of knowledge and bliss. He has a spiritual form that has a beautiful blackish complexion like a monsoon cloud.
The Sanskrit word “KRISHNA” meaning of ‘black’, ‘dark’, ‘dark-blue’. The lotus eyed, dark skinned is the complete and perfect understanding of god. It is also called “syama”. It means that the blackish one or the beautiful dark boy with a blackish colour.
Now there are many theories behind Why Lord Krishna Blue In Color. Some of the reasons are described as below:
1. When demon Putana tried to kill Hari by her poisoned milk, but Devakinandana didn’t die instead his skin became blue due to poisoning effect, since Syama killed demon Putana.
2. Adjoining Vrindavan, there was a river Yamuna inside which have a five headed snake created grave havoc and killed many villagers then Syama defeated this massive snake and outcasted him from entering Vrindavan thus saving his villagers from the poison of the dangerous snake. During fighting the snake some of the poison entered in Syama body because which of skin turned bluish in Colour. That’s the reason why Hari is depicted bluish black.
3. Sky is light bluish which seems to have no beginning, not end. Sky limit is beyond one’s imagination and the symbol of god’s supreme creation as blue.
4. Kanha wears yellow clothes. Both his skin color and black represents infinity. Sky and ocean both appear the same color at daytime and black color at night time. So, he is shown in bluish black in colour likes clouds laden with water thus, symbolizing his divine identity.
5. Vasudeva is believed to be the incarnation of lord Vishnu also known as narayana. He is shown blue because of his association to Narayana. Colour bluish represents water preserving this life and mother earth. So Krishna means the giver of life which strengths and nourishes of life.
“This is why Lord Krishna Blue in Color, because of these incidents our Lord got these beautiful colours”.