#283F57 (or 0x283F57) is unknown color: approx Catalina Blue. HEX triplet: 28, 3F and 57. RGB value is (40,63,87). Sum of RGB (Red+Green+Blue) = 40+63+87=190 (25% of max value = 765). Red value is 40 (16.02% from 255 or 21.05% from 190); Green value is 63 (25% from 255 or 33.16% from 190); Blue value is 87 (34.38% from 255 or 45.79% from 190); Max value from RGB is 87 - color contains mainly: blue. Hex color #283F57 is not a web safe color. Web safe color analog (approx): #333366. Inversed color of #283F57 is #D7C0A8. Grayscale: #3A3A3A. Windows color (decimal): -14139561 or 5717800. OLE color: 5717800.
HSL color Cylindrical-coordinate representation of color #283F57: hue angle of 210.64º degrees, saturation: 0.37, lightness: 0.25%. HSV value (or HSB Brightness) of color is 0.34% and HSV saturation: 0.54%. Process color model (Four color, CMYK) of #283F57 is Cyan = 0.54, Magento = 0.28, Yellow = 0 and Black (K on CMYK) = 0.66.
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<style> span { border-color: #283F57; } span { border-color: rgb(40,63,87); } td.TdClassName { border-color: #283F57; } .TagClassName { border-color: #283F57; } </style>