Color specimenNo. 08490232

#818CF8

Vivid Light Blue

A deterministic reference card for #818CF8. Every value, scheme, and snippet below is computed from the hex — no database, no guesswork.

RGB
129, 140, 248
HSL
234°, 89%, 74%
Text
Black on top

Tailwind CSS · indigo

tailwind · indigo 400

The Tailwind CSS utility classes bg-indigo-400, text-indigo-400, and friends all reference this hex value.

Scale context · indigo

Click any step to jump to its landing page.

Class name
indigo-400
Hex
#818CF8
Closest CSS named color
cornflowerblue
Full color breakdown
/color/818cf8

Developer snippets

Copy-ready code

Every snippet below is generated from the hex — not a hand-maintained table.

Conversions

Same color, seven encodings

Nearest matches

Closest in other design systems

Accessibility

Contrast against white & black

On white

The quick brown fox

Jumps over the lazy dog. Testing readability of #818CF8 as the text color.

2.98:1
AA failAAA failLarge fail

Rating · Fail

On black

The quick brown fox

Jumps over the lazy dog. Testing readability of #818CF8 as the text color.

7.04:1
AA passAAA passLarge pass

Rating · AAA

Recommendation

When using #818CF8 as a background, pair it with #000000 text for the best WCAG contrast.

Contrast ratios only — one part of WCAG 2.1. Not a certification of accessibility or legal compliance.

Related Tailwind swatches

Other stops in indigo