#21213B (or 0x21213B) is unknown color: approx Valhalla. HEX triplet: 21, 21 and 3B. RGB value is (33,33,59). Sum of RGB (Red+Green+Blue) = 33+33+59=125 (16% of max value = 765). Red value is 33 (13.28% from 255 or 26.4% from 125); Green value is 33 (13.28% from 255 or 26.4% from 125); Blue value is 59 (23.44% from 255 or 47.2% from 125); Max value from RGB is 59 - color contains mainly: blue. Hex color #21213B is not a web safe color. Web safe color analog (approx): #333333. Inversed color of #21213B is #DEDEC4. Grayscale: #232323. Windows color (decimal): -14606021 or 3875105. OLE color: 3875105.
HSL color Cylindrical-coordinate representation of color #21213B: hue angle of 240º degrees, saturation: 0.28, lightness: 0.18%. HSV value (or HSB Brightness) of color is 0.23% and HSV saturation: 0.44%. Process color model (Four color, CMYK) of #21213B is Cyan = 0.44, Magento = 0.44, Yellow = 0 and Black (K on CMYK) = 0.77.
<style> p { color: #21213B; } p { color: rgb(33,33,59); } H1.HeaderClassName { color: #21213B; } .AnyTagClassName { color: #21213B; } </style>
<style> a { background-color: #21213B; } a { background-color: rgb(33,33,59); } div.DivClassName { background-color: #21213B; } .BgClassName { background-color: #21213B; } </style>
<style> span { border-color: #21213B; } span { border-color: rgb(33,33,59); } td.TdClassName { border-color: #21213B; } .TagClassName { border-color: #21213B; } </style>