Free HEX to RGB & RGB to HEX Color Converter
Convert colors between HEX and RGB, RGB and HEX, or HSL — pick a color or paste any CSS value, then copy the format you need.
- Free, no signup
- Accepts any CSS color
- Runs in your browser
How to use Color Converter
- Pick a color, or type or paste a value such as #dc2626, rgb(220, 38, 38) or a name like tomato.
- Read the HEX, RGB and HSL values, which update instantly.
- Click Copy next to the format you need.
- Check the contrast readout to see whether white or black text reads better on your color.
Features
- HEX, RGB and HSL side by side
- Accepts any CSS color you paste: HEX, rgb(), hsl() or a color name
- Live swatch preview
- Contrast ratio against white and black text (WCAG)
- One-click copy for each format
- Runs locally in your browser
What can you use Color Converter for?
Different tools and platforms expect colors in different formats — HEX for CSS, RGB for design software, HSL for fine-tuning shades. Pick a color once and instantly get all three values, ready to copy.
CSS, design tools and image editors don't always agree on how they expect a color value — a stylesheet typically wants HEX or RGB, while a designer fine-tuning a shade often thinks in HSL's hue-saturation-lightness terms. Converting once between formats saves you from doing the math by hand or mismatching a color across a handoff between design and code.
- Converting a brand color from a designer's HEX swatch into the RGB or HSL value a codebase needs.
- Fine-tuning a color's lightness or saturation in HSL, then converting the result back to HEX for CSS.
- Matching a color sampled from an image to its exact HEX code for a style guide.
- Double-checking a color value pulled from a design tool before using it in production.
Tips for better results
- HSL is often the easiest format for adjusting a shade — raise or lower lightness to get a tint or shade of the same hue.
- Keep a small palette of HEX values in your style guide so colors stay consistent across a project.
- Two colors that look identical on screen can still have slightly different values across sRGB and other color profiles — use the exact code, not just a visual match.
Frequently asked questions
Is the color converter free?
Yes, this tool is completely free to use.
Which color formats can I convert between?
You can convert between HEX, RGB and HSL values instantly.
Do I need design software to use it?
No, everything happens in your browser using the built-in color picker.
Which format should I use in my CSS?
Any of the three works in modern browsers — HEX is the most compact and common, RGB is useful when you need to adjust transparency with rgba(), and HSL is easiest for programmatically lightening or darkening a color.
Does this tool support alpha/transparency values?
The converter focuses on solid HEX, RGB and HSL values; for transparency, add an alpha channel manually in your CSS (rgba() or an 8-digit HEX).
What do the contrast ratios mean?
They compare the color with white and black text using the WCAG formula. 4.5:1 is the AA minimum for normal text and 3:1 for large text, so aim for those numbers or higher.
Does the converter support transparency?
The converted values describe the opaque color. If you paste a color with an alpha value, the alpha is ignored and the tool notes that.