RGB to CMYK Converter

Convert RGB color values to CMYK format.

When to use this tool

Essential for sending digital designs to print. Converts on-screen RGB colors to the CMYK values needed by professional printers, ensuring what you see on screen can be reproduced accurately on paper.

How to use

Type an RGB value (e.g., rgb(255, 0, 0)) and the CMYK output will appear. Use the resulting values in your print layout software.

Input

Output

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API Reference

Tier: Free
Endpoint: POST http://5.75.144.42/api/v1/tools/color-converters/rgb-to-cmyk
Method: POST
Content-Type: application/json

Rate Limits

Unauthenticated: 10 req/min
Free: 30 req/min
Premium: 1000 req/min

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Request Body

{
    "input": "rgb(255, 0, 0)"
}

Sample Request

curl -X POST "http://5.75.144.42/api/v1/tools/color-converters/rgb-to-cmyk" \
    -H "Content-Type: application/json" \
    -H "Authorization: Bearer YOUR_API_KEY" \
    -d '{"input":"rgb(255, 0, 0)"}'

Sample Response

{
    "success": true,
    "data": {
        "input": "rgb(255, 0, 0)",
        "result": "cmyk(0%, 100%, 100%, 0%)"
    },
    "meta": {
        "tool": "rgb-to-cmyk",
        "tier": "free"
    }
}