#556991 (or 0x556991) is unknown color: approx Kashmir Blue. HEX triplet: 55, 69 and 91. RGB value is (85,105,145). Sum of RGB (Red+Green+Blue) = 85+105+145=335 (44% of max value = 765). Red value is 85 (33.59% from 255 or 25.37% from 335); Green value is 105 (41.41% from 255 or 31.34% from 335); Blue value is 145 (57.03% from 255 or 43.28% from 335); Max value from RGB is 145 - color contains mainly: blue. Hex color #556991 is not a web safe color. Web safe color analog (approx): #666699. Inversed color of #556991 is #AA966E. Grayscale: #676767. Windows color (decimal): -11179631 or 9529685. OLE color: 9529685.
HSL color Cylindrical-coordinate representation of color #556991: hue angle of 220º degrees, saturation: 0.26, lightness: 0.45%. HSV value (or HSB Brightness) of color is 0.57% and HSV saturation: 0.41%. Process color model (Four color, CMYK) of #556991 is Cyan = 0.41, Magento = 0.28, Yellow = 0 and Black (K on CMYK) = 0.43.
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<style> a { background-color: #556991; } a { background-color: rgb(85,105,145); } div.DivClassName { background-color: #556991; } .BgClassName { background-color: #556991; } </style>
<style> span { border-color: #556991; } span { border-color: rgb(85,105,145); } td.TdClassName { border-color: #556991; } .TagClassName { border-color: #556991; } </style>