HEX to RGBA Converter (Color & Opacity)

Convert HEX to RGBA color codes with opacity and alpha transparency instantly. Supports 3, 6, and 8-digit hex codes, batch conversion, and ready-to-use CSS output.

Presets:

Card color inputs title

Lbl regime selector

Lbl hex color

Lbl red channel79

Lbl green channel70

Lbl blue channel229

Lbl alpha opacity80% (0.8 | 0xCC)

Lbl percent alpha

Lbl decimal alpha

Lbl hex alpha

Lbl hex8 alpha anchors

Lbl substrate bg

#FFFFFF

Lbl substrate presets

Lbl reverse solver

Desc reverse solver

Lbl target solver

Desc target solver

Lbl ray reflected#726BEA

rgb(114, 107, 234)

Lbl ray incident80% Alpha

rgba(79, 70, 229, 0.8)

Lbl composite rayC_comp = C_fg × A + C_bg × (1 - A)

Lbl format cardsLbl active regime: modern-web

Fmt css level3rgba(79, 70, 229, 0.8)

Fmt css level4rgb(79 70 229 / 0.8)

Fmt hex8#4F46E5CC

Fmt tailwindbg-[#4f46e5]/[80%]

Fmt android0xCC4F46E5

Fmt flutterColor(0xCC4F46E5)

Stat hex input#4F46E5

Stat rgba cssrgba(79, 70, 229, 0.8)

Stat luminance20.0%

Stat contrast substrate4.19:1

Stat contrast white4.19:1

Stat contrast black5.01:1

HEX to RGBA Converter (Color & Opacity)

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