#21585B (or 0x21585B) is unknown color: approx Blue Stone. HEX triplet: 21, 58 and 5B. RGB value is (33,88,91). Sum of RGB (Red+Green+Blue) = 33+88+91=212 (28% of max value = 765). Red value is 33 (13.28% from 255 or 15.57% from 212); Green value is 88 (34.77% from 255 or 41.51% from 212); Blue value is 91 (35.94% from 255 or 42.92% from 212); Max value from RGB is 91 - color contains mainly: blue. Hex color #21585B is not a web safe color. Web safe color analog (approx): #336666. Inversed color of #21585B is #DEA7A4. Grayscale: #474747. Windows color (decimal): -14591909 or 5986337. OLE color: 5986337.
HSL color Cylindrical-coordinate representation of color #21585B: hue angle of 183.1º degrees, saturation: 0.47, lightness: 0.24%. HSV value (or HSB Brightness) of color is 0.36% and HSV saturation: 0.64%. Process color model (Four color, CMYK) of #21585B is Cyan = 0.64, Magento = 0.03, Yellow = 0 and Black (K on CMYK) = 0.64.
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