Color Converter

How to Use the Free Client-Side Color Converter

Color values exist in several dialects, and moving between them by hand invites arithmetic mistakes. This converter does the translation instantly, with a picker and an accessibility check included:

1. Type a color value (HEX, RGB, HSL) or use the visual color picker to select a color.
2. See the color value in HEX, RGB, RGBA, HSL, HSLA, and CSS named color formats instantly.
3. Use the WCAG contrast check to verify that color combinations meet accessibility standards.

When to Use Color Converter

Design work is a constant negotiation between formats. A designer specifies a color in HSL in the mockup, a developer needs it as a HEX token for the design system, and an auditor wants the RGB breakdown for contrast analysis. Anyone moving between design tools, CSS, and accessibility documentation will live inside this tool during that handoff.

The conversion table is comprehensive enough to cover every common notation, including RGBA and HSLA with alpha channels and CSS named colors. The palette history is a small convenience that pays off in real projects, keeping recently picked colors within reach while you iterate. The WCAG contrast check is the most consequential feature, because it turns a vague concern about readability into a concrete pass or fail against AA and AAA requirements at different text sizes.

Color Converter Tips and Best Practices

1. Prefer HSL when you need to reason about colors. Hue, saturation, and lightness map to how humans think about color far better than raw channel values.
2. Check contrast on every pairing. Aim for 4.5:1 for normal text and 3:1 for large text to meet WCAG.
3. Remember that three-digit HEX expands by doubling each character. #fff equals #ffffff, not some shortened version of a different color.
4. Do not treat RGB values as percentages. They run from 0 to 255, and only the alpha channel in RGBA uses a 0-1 scale.

Why Client-Side Privacy Matters for building accessible color systems for client-facing products

A color palette is effectively a fingerprint of a brand, and an unreleased design system is intellectual property under construction. Pasting brand colors into an online converter that stores your selections hands a competitor or a scraper a record of what you are building before it ships.

Everything in this converter happens locally, from parsing your values to computing contrast ratios. No colors, no palettes, and no design decisions are transmitted, so proprietary brand systems and client color schemes stay private while you work.