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Color Converter

Convert colors between HEX, RGB, HSL and more.

colorhexrgbhslconvert
HEX:#3b82f6
RGB:rgb(59, 130, 246)
HSL:hsl(217, 91%, 60%)

What is Color Converter?

The Color Converter is a free online tool that lets you instantly convert color values between the most common color formats used in web and UI development: HEX, RGB, HSL, and CMYK. Whether you are working with a design token, a CSS variable, or a brand color from a style guide, this tool eliminates the need for manual formula calculations and gives you accurate conversions in real time with a live color preview so you can visually confirm the result.

For developers, color format compatibility is a constant concern. Design tools like Figma often export colors in HEX, while CSS properties such as color-mix() and animations work more naturally with HSL. Print assets may require CMYK values for the same brand color. Having a single tool that bridges all these formats saves time, reduces errors, and keeps your workflow moving without context-switching to scattered online calculators or custom scripts.

How to Use

To use the Color Converter, simply paste or type a color value in any of the supported input fields — HEX (e.g. #3a86ff), RGB (e.g. rgb(58, 134, 255)), HSL (e.g. hsl(217, 100%, 61%)), or CMYK (e.g. cmyk(77, 47, 0, 0)). The tool will immediately populate all other format fields with the equivalent values and render a live preview swatch so you can visually verify the output before copying it into your project.

Each output field is independently copyable, making it easy to grab just the format you need without reformatting manually. The tool accepts both shorthand and full HEX values (e.g. #fff and #ffffff), and handles edge cases such as RGB values with decimals, HSL hue values above 360 via normalization, and CMYK percentages expressed as decimals between 0 and 1 or as whole numbers.

One important edge case to be aware of: CMYK is a subtractive color model used primarily for print, so converting from RGB or HEX to CMYK may produce values that look slightly different when physically printed due to gamut differences. The tool gives you mathematically correct CMYK equivalents, but always verify against your print vendor's color profile when precision is critical.

Use Cases

CSS theming: When building a design system, you receive brand colors in HEX from a designer but need HSL equivalents to power dynamic theming with CSS custom properties and calc() for lightness adjustments.
Tailwind or utility-class configuration: Tailwind's config file accepts RGB channel values for opacity utilities — convert your HEX brand colors to raw RGB so you can plug them directly into the theme.colors section without losing transparency support.
Cross-platform consistency: You are building both a web app and a React Native mobile app. Web styles use HEX, but React Native's StyleSheet requires RGB values — use the converter to keep colors consistent across both codebases.
Print and digital asset parity: A marketing team needs the same brand color in CMYK for a brochure and in HEX for the website. Convert once and hand off both values instantly, ensuring visual consistency across print and digital channels.

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