#3730A3 — Tints, Shades & Color Values

Tailwind CSS indigo-800 · Every value on this page is precomputed — copy what you need.

#3730A3 is a medium, moderately saturated blue. In Tailwind CSS this exact color is the utility class indigo-800 (e.g. bg-indigo-800, text-indigo-800). Its nearest CSS named color is darkslateblue (#483d8b). For readable text on a #3730A3 background, white text gives the strongest contrast (9.93:1). #3730A3 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.

#3730A3 in Tailwind CSS (indigo-800)

#3730A3 ships with Tailwind CSS as indigo-800 — use it as bg-indigo-800, text-indigo-800, or border-indigo-800. It sits at step 800 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 #3730A3 (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 #4b45ac Copy
• 20% tint #5f59b5 Copy
• 30% tint #736ebf Copy
• 40% tint #8783c8 Copy
• 50% tint #9b98d1 Copy
• 60% tint #afacda Copy
• 70% tint #c3c1e3 Copy
• 80% tint #d7d6ed Copy
• 90% tint #ebeaf6 Copy

Shades of #3730A3 (Mixed with Black)

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

• 10% shade #322b93 Copy
• 20% shade #2c2682 Copy
• 30% shade #272272 Copy
• 40% shade #211d62 Copy
• 50% shade #1c1852 Copy
• 60% shade #161341 Copy
• 70% shade #110e31 Copy
• 80% shade #0b0a21 Copy
• 90% shade #050510 Copy

WCAG Contrast & Accessibility

Contrast ratios for text placed on a #3730A3 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 lighter tint of #3730A3 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: #1E40AF (blue-800), #0284C7 (sky-600), #2980B9, #6B7280 (gray-500), #64748B (slate-500), #1D4ED8 (blue-700).

Frequently Asked Questions

• What color is #3730A3?

  #3730A3 is a medium, moderately saturated blue — rgb(55, 48, 163). Its nearest CSS named color is darkslateblue. In Tailwind CSS it is indigo-800.

• How do I make tints and shades of #3730A3?

  Mix #3730A3 with white for tints and with black for shades. A 20% tint of #3730A3 is #5f59b5 and a 20% shade is #2c2682 — the full 10%–90% ramps are precomputed on this page, or open #3730A3 in the generator for finer steps.

• What text color is readable on #3730A3?

  White text gives the strongest contrast on a #3730A3 background at 9.93:1, which passes WCAG AA and AAA for normal text.

• What is the Tailwind CSS class for #3730A3?

  indigo-800 — use it as bg-indigo-800, text-indigo-800, or border-indigo-800. 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.