CMYK ↔ RGB ↔ HEX Color Converter
About LCH ↔ RGB Converter
The CIELCH (Lightness, Chroma, Hue) to RGB Color Converter transforms polar cylindrical coordinates ($L \in [0, 100], C \ge 0, H \in [0, 360^\circ]$) into standard sRGB and Hex colors for modern CSS `lch()` and design systems.
How to Use LCH ↔ RGB Converter
Step 1
Adjust Lightness (0-100%), Chroma (0-150+), and Hue angle (0-360°).
Step 2
Inspect the computed sRGB channel values and live color swatch.
Step 3
Click "Copy RGB" or "Copy Hex".
Practical Use Cases for LCH ↔ RGB Converter
Generating Perceptually Uniform UI Themes with `lch()`
Adjust Hue while keeping Lightness and Chroma constant to generate harmonious multi-color themes where every color looks equally bright to the human eye.
Converting Modern CSS `lch()` to Legacy Hex Fallbacks
Translate modern `lch(60% 70 260)` declarations into reliable hex fallbacks for older browsers and email templates.
Input & Output Examples
Converting LCH to sRGB
`lch(60% 70 260)`
RGB: `rgb(59, 130, 246)` | Hex: `#3b82f6` | CSS: `lch(60% 70 260)`
Key Features & Performance
- ✓Supports polar CIELCH and modern CSS `lch(L C H)` / `oklch(L C H)` conversions.
- ✓Interactive cylindrical color wheel with Lightness, Chroma, and Hue sliders.
- ✓Automatic gamut clamping for sRGB display surfaces.
- ✓100% Client-Side memory execution.
- ✓1-Click Copy RGB or Hex.
Key Terminology & Definitions
CIELCH Color Space
The polar coordinate representation of CIELAB, where $L$ is Lightness, $C$ is Chroma (saturation/colorfulness), and $H$ is Hue angle.
Perceptual Lightness
Lightness scaled to match the non-linear human visual system response to brightness across all hues.