#818CF8 — Tints, Shades & Color Values

Tailwind CSS indigo-400 · Every value on this page is precomputed — copy what you need.

#818CF8 is a light, vivid blue. In Tailwind CSS this exact color is the utility class indigo-400 (e.g. bg-indigo-400, text-indigo-400). Its nearest CSS named color is cornflowerblue (#6495ed). For readable text on a #818CF8 background, black text gives the strongest contrast (7.04:1). #818CF8 sits in the middle of the lightness range, so it can serve as a primary brand or accent color — use its tints for backgrounds and its shades for text and pressed states.

Color Values

Need these in another format? Use our hex to RGB converter for quick two-way conversion.

#818CF8 in Tailwind CSS (indigo-400)

#818CF8 ships with Tailwind CSS as indigo-400 — use it as bg-indigo-400, text-indigo-400, or border-indigo-400. It sits at step 400 of the indigo ramp; every other step links to its own page:

• 50
• 100
• 200
• 300
• 400
• 500
• 600
• 700
• 800
• 900
• 950

Browse the full Tailwind palette in the color library, or generate in-between steps with the tint & shade generator.

Tints of #818CF8 (Mixed with White)

Each step blends the base color toward white using new = old + (255 − old) × factor. Click a swatch to open it in the generator.

• 10% tint #8e98f9 Copy
• 20% tint #9aa3f9 Copy
• 30% tint #a7affa Copy
• 40% tint #b3bafb Copy
• 50% tint #c0c6fc Copy
• 60% tint #cdd1fc Copy
• 70% tint #d9ddfd Copy
• 80% tint #e6e8fe Copy
• 90% tint #f2f4fe Copy

Shades of #818CF8 (Mixed with Black)

Each step blends the base color toward black using new = old × (1 − factor).

• 10% shade #747edf Copy
• 20% shade #6770c6 Copy
• 30% shade #5a62ae Copy
• 40% shade #4d5495 Copy
• 50% shade #41467c Copy
• 60% shade #343863 Copy
• 70% shade #272a4a Copy
• 80% shade #1a1c32 Copy
• 90% shade #0d0e19 Copy

WCAG Contrast & Accessibility

Contrast ratios for text placed on a #818CF8 background. WCAG requires 4.5:1 for normal text (AA), 3:1 for large text (AA), and 7:1 for normal text (AAA).

If neither pure white nor pure black reaches the level you need, pick a darker shade of #818CF8 from the ramps above as the background instead — small lightness moves change contrast quickly. Test any other pair with the free contrast checker.

More blue colors in the library: #93C5FD (blue-300), #60A5FA (blue-400), #94A3B8 (slate-400), #9CA3AF (gray-400), #CBD5E1 (slate-300), #D1D5DB (gray-300).

Frequently Asked Questions

• What color is #818CF8?

  #818CF8 is a light, vivid blue — rgb(129, 140, 248). Its nearest CSS named color is cornflowerblue. In Tailwind CSS it is indigo-400.

• How do I make tints and shades of #818CF8?

  Mix #818CF8 with white for tints and with black for shades. A 20% tint of #818CF8 is #9aa3f9 and a 20% shade is #6770c6 — the full 10%–90% ramps are precomputed on this page, or open #818CF8 in the generator for finer steps.

• What text color is readable on #818CF8?

  Black text gives the strongest contrast on a #818CF8 background at 7.04:1, which passes WCAG AA and AAA for normal text.

• What is the Tailwind CSS class for #818CF8?

  indigo-400 — use it as bg-indigo-400, text-indigo-400, or border-indigo-400. The full indigo 50–950 ramp is linked above.

Browse more colors in the color library, or start from any hex code on the HexTints homepage.