#663791 (or 0x663791) is unknown color: approx Royal Purple. HEX triplet: 66, 37 and 91. RGB value is (102,55,145). Sum of RGB (Red+Green+Blue) = 102+55+145=302 (40% of max value = 765). Red value is 102 (40.23% from 255 or 33.77% from 302); Green value is 55 (21.88% from 255 or 18.21% from 302); Blue value is 145 (57.03% from 255 or 48.01% from 302); Max value from RGB is 145 - color contains mainly: blue. Hex color #663791 is not a web safe color. Web safe color analog (approx): #663399. Inversed color of #663791 is #99C86E. Grayscale: #4F4F4F. Windows color (decimal): -10078319 or 9516902. OLE color: 9516902.
HSL color Cylindrical-coordinate representation of color #663791: hue angle of 271.33º degrees, saturation: 0.45, lightness: 0.39%. HSV value (or HSB Brightness) of color is 0.57% and HSV saturation: 0.62%. Process color model (Four color, CMYK) of #663791 is Cyan = 0.30, Magento = 0.62, Yellow = 0 and Black (K on CMYK) = 0.43.
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<style> a { background-color: #663791; } a { background-color: rgb(102,55,145); } div.DivClassName { background-color: #663791; } .BgClassName { background-color: #663791; } </style>
<style> span { border-color: #663791; } span { border-color: rgb(102,55,145); } td.TdClassName { border-color: #663791; } .TagClassName { border-color: #663791; } </style>