| Royal blue (traditional) |
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| Hex triplet | #012169 |
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| sRGBB (r, g, b) | (1, 33, 105) |
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| HSV (h, s, v) | (222°, 99%, 41%) |
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| CIELChuv (L, C, h) | (16, 46, 261°) |
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| Source | College of Arms |
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B: Normalized to [0–255] (byte)
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| Royal blue (web color) |
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| Hex triplet | #4169E1 |
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| sRGBB (r, g, b) | (65, 105, 225) |
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| HSV (h, s, v) | (225°, 71%, 88%) |
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| CIELChuv (L, C, h) | (48, 103, 260°) |
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| Source | X11 |
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| ISCC–NBS descriptor | Vivid blue |
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B: Normalized to [0–255] (byte)
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| Royal blue (Pantone) |
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| Hex triplet | #3D428B |
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| sRGBB (r, g, b) | (61, 66, 139) |
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| HSV (h, s, v) | (236°, 56%, 55%) |
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| CIELChuv (L, C, h) | (31, 58, 264°) |
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| Source | Pantone |
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| ISCC–NBS descriptor | Deep purplish blue |
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B: Normalized to [0–255] (byte)
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Royal blue is a deep and vivid shade of blue. Traditionally, royal blue is a deep shade of blue and is used in several national flags. However, the web color named royal blue is a much brighter shade.