#1E3A8A — Tints, Shades & Color Values

Tailwind CSS blue-900 · Every value on this page is precomputed — copy what you need.

#1E3A8A is a dark, moderately saturated blue. In Tailwind CSS this exact color is the utility class blue-900 (e.g. bg-blue-900, text-blue-900). Its nearest CSS named color is darkslateblue (#483d8b). For readable text on a #1E3A8A background, white text gives the strongest contrast (10.36:1). #1E3A8A 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.

#1E3A8A in Tailwind CSS (blue-900)

#1E3A8A ships with Tailwind CSS as blue-900 — use it as bg-blue-900, text-blue-900, or border-blue-900. It sits at step 900 of the blue 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 #1E3A8A (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 #354e96 Copy
• 20% tint #4b61a1 Copy
• 30% tint #6275ad Copy
• 40% tint #7889b9 Copy
• 50% tint #8f9dc5 Copy
• 60% tint #a5b0d0 Copy
• 70% tint #bcc4dc Copy
• 80% tint #d2d8e8 Copy
• 90% tint #e9ebf3 Copy

Shades of #1E3A8A (Mixed with Black)

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

• 10% shade #1b347c Copy
• 20% shade #182e6e Copy
• 30% shade #152961 Copy
• 40% shade #122353 Copy
• 50% shade #0f1d45 Copy
• 60% shade #0c1737 Copy
• 70% shade #091129 Copy
• 80% shade #060c1c Copy
• 90% shade #03060e Copy

WCAG Contrast & Accessibility

Contrast ratios for text placed on a #1E3A8A 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 #1E3A8A 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: #0369A1 (sky-700), #4B5563 (gray-600), #312E81 (indigo-900), #475569 (slate-600), #34495E, #075985 (sky-800).

Frequently Asked Questions

• What color is #1E3A8A?

  #1E3A8A is a dark, moderately saturated blue — rgb(30, 58, 138). Its nearest CSS named color is darkslateblue. In Tailwind CSS it is blue-900.

• How do I make tints and shades of #1E3A8A?

  Mix #1E3A8A with white for tints and with black for shades. A 20% tint of #1E3A8A is #4b61a1 and a 20% shade is #182e6e — the full 10%–90% ramps are precomputed on this page, or open #1E3A8A in the generator for finer steps.

• What text color is readable on #1E3A8A?

  White text gives the strongest contrast on a #1E3A8A background at 10.36:1, which passes WCAG AA and AAA for normal text.

• What is the Tailwind CSS class for #1E3A8A?

  blue-900 — use it as bg-blue-900, text-blue-900, or border-blue-900. The full blue 50–950 ramp is linked above.

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