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sRGB to OKLCH Converter
Convert an opaque sRGB hex color to OKLab and cylindrical OKLCH coordinates.
sRGB hex color
oklch-color-converter.json (complete report and generated source where applicable)
Browser only
Runs locally in your browser. Your files, pasted content and generated output are not uploaded. Reset clears this tool’s working data.
This tool needs JavaScript. If it does not load, refresh the page and try again.
How to use this tool
- Enter values using the displayed examples; observe the documented input shape and limits.
- Choose Calculate result. Review the complete JSON report and any generated source text it contains.
- Download result to save the complete report; copy generated source into your project when relevant. Reset restores examples and clears output.
Examples
sRGB hex color: #000000
Limitations
- D65 sRGB and published OKLab matrix conversion; lightness 0–1, chroma unscaled, hue degrees or null for achromatic colors. No gamut mapping or reverse conversion.
- Maximum 100,000 UTF-16 units per field, 400,000 UTF-8 combined input bytes, 4 MiB output and 30 seconds in a local worker. Tool-specific bounds may be tighter.
- Generated source is contained in the JSON download and is never executed. Local inspection does not verify remote systems or establish standards certification.
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