LCH to RGB Color Converter

Convert LCH colour values to RGB instantly. Free, client-side colour conversion - no signup, no upload, supports the colour picker.

Converter Color Converters Updated Apr 20, 2026
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How to Use
  1. Type or paste a LCH colour into the input.
  2. The RGB value updates instantly. Copy with the button.
  3. Click the swatch to open your browser's native colour picker.
  4. Click any quick-swatch chip to load a real-world starting colour.
LCH input
RGB output
Try:
Reverse: RGB → LCH Other from LCH: HEX HSL HSV CMYK LAB

About LCH and RGB

LCH — Polar form of LAB - Lightness / Chroma / Hue.

RGB — Red / Green / Blue 0-255.

Frequently Asked Questions

Does my colour value leave my browser?

No. The conversion runs entirely in JavaScript on this page.

Why does my picked colour change slightly?

Some colour spaces (LAB / OKLab / wide-gamut) can express colours that fall outside sRGB. Those values are clamped back into the displayable range.

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