Color Code Converter
Convert color codes seamlessly between HEX, RGB, RGBA, HSL, HSLA, HSV, CMYK, and modern CSS color() spaces with a live preview.
Quick Answer & Understanding Your Result
A Color Code Converter transforms color values across all major digital color spaces: HEX (`#RRGGBB`), RGB/RGBA, HSL/HSLA, HSV, CMYK, and modern CSS Color 4 (`color(srgb ...)`).
The Major Digital Color Spaces
- HEX (#RRGGBB / #RRGGBBAA): 6-to-8 character hexadecimal string standard for HTML and CSS.
- RGB / RGBA (`rgb(r, g, b)`): Additive color model based on Red, Green, and Blue light intensities (0–255).
- HSL / HSLA (`hsl(h, s%, l%)`): Human-friendly representation based on Hue (0–360°), Saturation (0–100%), and Lightness (0–100%).
- CMYK (`cmyk(c%, m%, y%, k%)`): Subtractive 4-color ink model used for physical commercial print publishing.
Design & Frontend Applications
- Design System Tokenization: Converting Figma/Sketch color tokens into CSS custom properties.
- Print & Digital Proofing: Translating digital RGB screen colors into printable CMYK values.
Select or paste any color code above to convert across all formats instantly.
Formula & Calculation Logic
Technical Specification & ASTColor space transformation:
- Maps cylindrical HSL coordinates into normalized Cartesian sRGB color space and translates to CMYK subtractive inks.
Step-by-Step Guide
Enter Color Code
Paste a HEX (#3b82f6), RGB rgb(59, 130, 246), or HSL code.
Deterministic Multi-Space Conversion
The engine converts across all color formats simultaneously in 0ms.
1-Click Copy Color Code
Copy HEX, RGB, HSL, or CMYK codes directly into your stylesheet.
Worked Examples Table
| Example | Input Values | Calculated Result | Explanation |
|---|---|---|---|
| Brand Blue Conversion | Converted brand blue HEX across all digital color spaces. | ||
| Emerald Green (rgb(16, 185, 129)) | Provides instant quantitative evaluation for comparative practical analysis. |
Frequently Asked Questions
Evidence-Based Methodology & Authoritative References
W3C CSS Color Module Level 4 Specification
International Color Consortium (ICC) Standards
Standard: ISO / W3C / IETF Authoritative Domain Standard
Formula: HSL to RGB = f(h, s, l) → [R, G, B] → HEX: #RRGGBB
Last Reviewed: August 21, 2026
Primary Source: W3C CSS Color Module Level 4 Specification
Reference Document: International Color Consortium (ICC) Standards
Computation Privacy: 100% client-side 0ms computation, zero data retention
All algorithms, formatters, and data conversions run 100% locally in your browser following official technical standards (RFC, ISO, W3C). Output should be verified prior to mission-critical production deployment.
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Calculated results are modeled based on standard scientific and mathematical formulas. Please verify with domain-specific technical documentation for specialized applications.