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HEX to RGB Converter

Understanding HEX and RGB Color Models

HEX (Hexadecimal): A 6-digit web notation (e.g., #FF5733) representing Red, Green, and Blue values in base-16. Essential for CSS, HTML, and web design.

RGB (Red, Green, Blue): An additive color model used for screen display. Each channel ranges 0-255, representing light intensity.

Use HEX for web development; RGB for CSS, digital graphics, and screen design.

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Please enter a valid HEX color code
Preview Interpretation

The visual preview shows how the color renders on screen. Text contrast is automatically calculated for readability.

For accessibility, ensure sufficient contrast between text and background colors (WCAG AA: 4.5:1).

Bulk Conversion
Design System Workflow

Bulk conversion is ideal for converting design system tokens, theme colors, or brand palettes from HEX to RGB for CSS implementation.

Information

This tool converts HEX color codes to RGB/RGBA values.

HEX Format: #RRGGBB or RRGGBB

RGB Format: rgb(red, green, blue)

RGBA Format: rgba(red, green, blue, alpha)

When to Use Each Format
  • HEX: Web development, CSS, HTML, SVG
  • RGB: CSS, digital design, screen graphics
  • RGBA: Transparent overlays, UI effects

Note: These are screen colors. For print, convert to CMYK separately.

Tips
  • Click on harmony colors to use them
  • Saved colors persist between sessions
  • Adjust brightness for lighter/darker variants
  • Bulk convert multiple colors at once
Conversion Accuracy & Limitations

Precision: RGB values are rounded to integers (0-255). Alpha values maintain 2 decimal places.

Color Space: Conversions assume sRGB color space, standard for web.

Device Variance: Colors may display differently across monitors due to calibration and gamut differences.

Avoid Common Design Mistakes
  • Using screen colors (HEX/RGB) for print projects
  • Ignoring color accessibility requirements
  • Assuming colors match across all devices
  • Overlooking transparency (RGBA) for layered designs
About This Tool

Processing: All conversions happen client-side in your browser. No data is uploaded to servers.

Standards: Follows W3C CSS Color Module specifications for HEX and RGB formats.

Use Cases: Web design, UI development, digital graphics, CSS preprocessing.

Last reviewed: 2025 | Color standards: CSS Color Module Level 3