HEX Alpha Converter
Enter an 8-digit HEX code (like #3a86ff80), a 4-digit shorthand (like #38f8), or an rgba() value to see the full conversion with alpha values.
HEX (6-digit)
HEX (8-digit)
RGBA
HSLA
Alpha
Opacity
8-Digit HEX Codes
Standard 6-digit HEX codes (#rrggbb) don't include opacity. The 8-digit format (#rrggbbaa) adds two hex digits for the alpha channel: 00 = fully transparent, ff = fully opaque.
For example, #3a86ff80 is the color #3a86ff at roughly 50% opacity (0x80 = 128 out of 255 ≈ 0.50).
4-Digit Shorthand
Similar to 3-digit hex, #rgba expands each digit: #38f8 → #3388ff88.
Browser Support
8-digit hex is supported in all modern browsers (Chrome, Firefox, Safari, Edge). For older browser support, use the RGBA output instead.