HEX to CMYK Converter
Free, accurate, and instant conversion. Preview your color in real-time on digital and print mockups.
Source Input HEX
/* CSS Variable */ --color-primary: #000000; /* Standard */ color: #000000; background-color: #000000;
Preparing for Print: Hex to CMYK
The transition from "Screen" to "Paper" is the most dangerous moment in a design project. Colors that look vibrant and electric on your backlit monitor (Hex/RGB) can turn muddy and dull when printed with physical ink (CMYK).
This tool is not just a calculator; it is a reality check. It converts your Hexadecimal web codes into theCyan, Magenta, Yellow, and Key (Black) percentages required for professional printing, helping you anticipate color shifts before you pay for the print run.
Source (Light)
Your Hex Code (#FF00FF). Uses added light to create color. Large gamut, bright neons.
The Shift
We calculate how much Cyan, Magenta, Yellow, and Black ink is needed to simulate that light.
Target (Ink)
CMYK Output (0-100%). Uses subtracted light. Smaller gamut, physically darker.
Why do colors change?
It's physics. RGB adds light to darkness. CMYK subtracts light from white paper.
The "Neon" Problem
Try converting Electric Green (#00FF00) or Hot Pink (#FF00FF). You will notice the CMYK version looks "dirty" or "flat". Standard printer ink cannot emit light. It can only reflect it. Always trust the CMYK numbers, not your screen.
Pro Tips for CMYK Printing
- • Request a proof: Always ask for a printed proof before approving a full run.
- • Watch total ink: Keep C+M+Y+K below 300% to prevent bleeding and slow drying.
- • Use Rich Black wisely: Only for large areas—never for small text or hairlines.
- • Export as PDF/X-1a: This format embeds CMYK and fonts correctly for print shops.
Common CMYK Black Mixtures
| Name | Formula (C,M,Y,K) | Use Case |
|---|---|---|
| Standard Black | 0, 0, 0, 100 | Small Text, Barcodes, Lines. Crisp edges. |
| Rich Black | 60, 40, 40, 100 | Large Backgrounds. Looks "blacker" than 100K. |
| Cool Black | 60, 0, 0, 100 | Dark grey/blue tint. Good for tech brands. |
| Warm Black | 0, 60, 30, 100 | Dark brown tint. Good for luxury/warm brands. |
Who Needs Hex to CMYK Conversion?
Commercial Print Shops
Ensure client files are properly converted before going to press.
Marketing Teams
Prepare web campaign colors for brochures, flyers, and trade show materials.
Freelance Designers
Deliver print-ready files without expensive software like Adobe InDesign.
In-House Print Specialists
Convert corporate brand colors for internal printing and signage.
Frequently Asked Questions
Why did my colors convert to dull versions?
This is normal. Screens (Hex/RGB) emit light and can display ultra-bright neons. CMYK (Ink) absorbs light. Paper cannot physically be as bright as a lightbulb. Our converter finds the closest possible printable match.
What is the 'K' in CMYK?
K stands for 'Key'. In traditional printing, the Key plate aligns the detail. It is almost always Black ink. We use K instead of B to avoid confusion with Blue.
Should I use 100% Black (0,0,0,100) or Rich Black?
For small text, use Standard Black (0, 0, 0, 100) to keep text crisp. For large backgrounds, use Rich Black (e.g., 60, 40, 40, 100) for a deeper, darker finish.
Can I convert CMYK back to Hex exactly?
Not always. Because the CMYK gamut is smaller, converting Hex → CMYK clips the bright colors. Converting that CMYK back to Hex will result in the duller version, not the original neon.
Is this suitable for Offset Printing?
Yes. The percentages (0-100%) generated here are standard for 4-color process printing (Offset or Digital).
What is Subtractive Color?
CMYK is subtractive. You start with white paper (all colors reflected). Adding ink subtracts brightness. Adding Cyan, Magenta, and Yellow together theoretically makes black (but practically makes mud, which is why we add K).
How do I handle 'Out of Gamut' warnings?
If you see a warning, it means your Hex color is too bright for ink. You must pick a less saturated color or consider using a spot color (Pantone) if budget allows.
Does file format matter?
Yes. When saving your design for print, use PDF or TIFF. Avoid JPG or PNG if possible, as they are inherently RGB formats.
Why is 100% K grey on my screen?
Monitors are terrible at showing 'ink black'. 100% K often looks like a dark charcoal on screen, but prints as crisp black text.
Is 300 DPI related to CMYK?
They are partners. CMYK is the color mode. 300 DPI (Dots Per Inch) is the resolution. You need BOTH for high-quality printing.
What is an ICC profile and do I need one?
An ICC profile describes how a specific device (printer, monitor) reproduces color. For professional print work, ask your print shop for their ICC profile to ensure accurate color matching. For general use, this converter uses standard CMYK calculations.
What is Total Ink Coverage (TIC)?
TIC is the sum of all CMYK percentages (C+M+Y+K). Most printers limit TIC to 280-320% to prevent ink bleeding and slow drying. For example, Rich Black (60+40+40+100=240%) is safe, but 100+100+100+100=400% would cause printing problems.