Can I convert a hex code directly into LAB values using this tool?

Yes, you can input a hex code such as #336699, and the converter will calculate the corresponding L*, a*, and b* values instantly.

Is the LAB output accurate for professional design work?

The tool provides standard CIELAB conversion based on the RGB input; while useful for design workflows, results are estimates and should be verified with professional color management software for critical projects.

Do I need to create an account to use the RGB to LAB converter?

No, the tool is free to use and does not require signup or registration to perform conversions.

What does the 'a*' value represent in the LAB output?

The 'a*' value represents the position between green and red; negative values indicate green, while positive values indicate red.

ColorFree Tool

RGB to LAB Color Converter

Provided byNumber Convertnumberconvert.com

Convert RGB color values to LAB format instantly. Free online RGB to LAB color converter with hex codes, color picker...

Use This Tool

Screenshot of RGB to LAB Color Converter on Number Convert — numberconvert.comOpen the live tool →

About this tool

What RGB to LAB Color Converter does

The RGB to LAB Color Converter on Number Convert translates standard Red, Green, Blue values into the LAB color space, outputting Lightness (L*) and the two chromaticity axes (a* and b*). Users receive instant LAB coordinates alongside the original hex code, enabling precise color translation for design and technical workflows. The tool is designed for immediate use without account creation, providing a straightforward method to convert screen-based RGB values into a perception-based color model. The interface displays input fields for RGB components and presents the calculated LAB result directly on the page, alongside the corresponding hex representation. While the core function is conversion, the site integrates additional utilities such as a color picker and a copy-to-clipboard feature, streamlining the workflow for capturing and reusing color data across different platforms.

Step by step

How to use the Number Convert RGB to LAB Color Converter

1
Open the RGB to LAB Converter on Number Convert
2
Enter the Red, Green, and Blue component values (0-255) into the designated fields
3
View the calculated L* (Lightness), a*, and b* coordinates displayed in the results area
4
Use the copy-to-clipboard function to save the LAB values or hex code for later use
5
Optionally select a color using the integrated color picker to generate corresponding RGB values for conversion

Is it right for you

Best for

Designers and developers who need to convert screen colors into a perception-based model for accurate print or cross-device workflows, particularly those who value instant LAB output alongside hex codes without requiring account registratio

Limitations

Results are estimates based on standard RGB to LAB conversion algorithms
Interface includes advertisements that may distract from the tool's function
No explicit option to switch between different LAB color space standards or illuminants

Questions

RGB to LAB Color Converter FAQ

Can I convert a hex code directly into LAB values using this tool?: Yes, you can input a hex code such as #336699, and the converter will calculate the corresponding L*, a*, and b* values instantly.
Is the LAB output accurate for professional design work?: The tool provides standard CIELAB conversion based on the RGB input; while useful for design workflows, results are estimates and should be verified with professional color management software for critical projects.
Do I need to create an account to use the RGB to LAB converter?: No, the tool is free to use and does not require signup or registration to perform conversions.
What does the 'a*' value represent in the LAB output?: The 'a*' value represents the position between green and red; negative values indicate green, while positive values indicate red.