flashman
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Color

hex • rgb • contrast

rgb(99, 102, 241)
rgb(10, 10, 10)
Preview
Contrast ratio: 4.43:1
WCAG: AA normal text requires ≥ 4.5:1

About this tool

Convert colors between HEX and RGB and check contrast hints for accessibility. Helps designers and developers align on a single color representation.

Your input is processed in the browser. We do not upload tool payloads to our servers.

Common use cases

  • Convert brand HEX colors to RGB for CSS.
  • Check readability between text and background colors.
  • Normalize colors copied from design tools.

Examples

HEX to RGB

#0a0a0a maps to rgb(10, 10, 10) for use in CSS.

FAQ

Does it support alpha channels?
Depends on input format; 8-digit HEX includes alpha when provided.

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Related guide

Convert between color formats, check contrast, and avoid common mistakes in design systems.

Read: Hex, RGB, and contrast: a color guide for UI work →