The flag of the IMO shows two anchors bonded with a chain and the globe, enveloped by the UN-typical olive twigs, in an UN pale-blue bunting. It is azure-blue and is defined as follows: Hex #4B92DB, RGB 75|146|219, CMYK 71|37|0|0, Pantone 279.
One of the jobs of the International Maritime Organization is the maritime environmental conservation in naval shipping. The IMO has it's seat in London.