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Convert RGB to HEX — Free Online Color Converter

Convert RGB decimal values (0-255) to hexadecimal color codes used in CSS, Figma, and design systems.

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Conversion Formula

Convert each RGB channel to 2-digit hex. rgb(255, 87, 51) → #FF5733.

Short HEX

When R=G=B pairs repeat (#FFFF00 → #FF0), CSS allows 3-digit shorthand.