RGB to LCh Converter

The relationship between the RGB (Red, Green, Blue) color model and the LCH (Lightness, Chroma, Hue) model is complex. Our converter simplifies this process by mathematically translating your input values into a perceptually uniform space.

When you enter an RGB value (e.g., #FF6347), the tool first calculates the perceived lightness, which determines how bright or dark the color is (L*). It then determines the chroma (C*), representing the saturation or intensity of the color, and finally extracts the hue (H*), which specifies the pure color angle on the color wheel.

• Input: You provide RGB values or a hex code.
• Process: The tool applies standard CIELAB transformations to achieve LCH coordinates.
• Output: You receive the corresponding L* value (0-100), C* value, and H* angle (0-360°).

This instant conversion allows for precise color adjustments across different design workflows.

To maximize the utility of this converter, always establish a baseline color in LCH first. This provides your 'perfect' reference point.

• Use it for Palettes: When building an entire color palette, convert every swatch to LCH. This ensures that even if the RGB values vary slightly, the underlying lightness and hue relationships remain consistent.
• Check Contrast: Before finalizing a background/foreground pair, check their L* values. A high contrast ratio (e.g., L*=20 vs L*=90) is essential for web accessibility (WCAG standards).

If you are aiming for 'brighter' without changing the color, slightly increase the L* value while keeping C* and H* constant. This guarantees a cleaner lift in brightness rather than just boosting all RGB channels.