LAB to HEX Converter
Enter L*, a*, b* values and instantly get the HEX color code with a live swatch preview.
CIE L*a*b* Input
Reverse: pick a color to populate LAB
Choose any color — its LAB values will fill the fields above.
HEX Output
#8B0057
One or more channels were clamped to fit the sRGB gamut. The displayed color is the nearest renderable approximation.
R
139
Red
G
0
Green
B
87
Blue
Summary
Enter L*, a*, b* values and instantly get the HEX color code with a live swatch preview.
How it works
- Enter the L* value (0–100) for lightness.
- Enter the a* value (roughly −128 to +127) for the green–red axis.
- Enter the b* value (roughly −128 to +127) for the blue–yellow axis.
- The HEX code and color swatch update automatically.
- Click Copy HEX to copy the code to your clipboard.
- Use the color picker to reverse-engineer LAB values from any color.
Use cases
- Convert brand LAB color specifications to web-ready HEX codes.
- Translate print color values into screen-friendly hex.
- Verify color accuracy when bridging design tools that output LAB.
- Generate hex swatches for design systems from LAB palettes.
- Cross-check color conversions in image-processing pipelines.
- Quickly prototype color adjustments by tweaking L*, a*, b* numerically.
Frequently Asked Questions
Last updated: 2026-07-01 ·
Reviewed by Nham Vu