#F1F5F9 — Tints, Shades & Color Values

Tailwind CSS slate-100 · Every value on this page is precomputed — copy what you need.

#F1F5F9 is a very light, moderately saturated blue. In Tailwind CSS this exact color is the utility class slate-100 (e.g. bg-slate-100, text-slate-100). Its nearest CSS named color is whitesmoke (#f5f5f5). For readable text on a #F1F5F9 background, black text gives the strongest contrast (19.17:1). Because it is so light, #F1F5F9 works best as a background or surface color paired with dark text, or as a high-percentage tint in an existing palette.

Color Values

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

#F1F5F9 in Tailwind CSS (slate-100)

#F1F5F9 ships with Tailwind CSS as slate-100 — use it as bg-slate-100, text-slate-100, or border-slate-100. It sits at step 100 of the slate 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 #F1F5F9 (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 #f2f6fa Copy
• 20% tint #f4f7fa Copy
• 30% tint #f5f8fb Copy
• 40% tint #f7f9fb Copy
• 50% tint #f8fafc Copy
• 60% tint #f9fbfd Copy
• 70% tint #fbfcfd Copy
• 80% tint #fcfdfe Copy
• 90% tint #fefefe Copy

Shades of #F1F5F9 (Mixed with Black)

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

• 10% shade #d9dde0 Copy
• 20% shade #c1c4c7 Copy
• 30% shade #a9acae Copy
• 40% shade #919395 Copy
• 50% shade #797b7d Copy
• 60% shade #606264 Copy
• 70% shade #484a4b Copy
• 80% shade #303132 Copy
• 90% shade #181819 Copy

WCAG Contrast & Accessibility

Contrast ratios for text placed on a #F1F5F9 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 #F1F5F9 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: #F3F4F6 (gray-100), #EEF2FF (indigo-50), #EFF6FF (blue-50), #F0F9FF (sky-50), #F9FAFB (gray-50), #E0E7FF (indigo-100).

Frequently Asked Questions

• What color is #F1F5F9?

  #F1F5F9 is a very light, moderately saturated blue — rgb(241, 245, 249). Its nearest CSS named color is whitesmoke. In Tailwind CSS it is slate-100.

• How do I make tints and shades of #F1F5F9?

  Mix #F1F5F9 with white for tints and with black for shades. A 20% tint of #F1F5F9 is #f4f7fa and a 20% shade is #c1c4c7 — the full 10%–90% ramps are precomputed on this page, or open #F1F5F9 in the generator for finer steps.

• What text color is readable on #F1F5F9?

  Black text gives the strongest contrast on a #F1F5F9 background at 19.17:1, which passes WCAG AA and AAA for normal text.

• What is the Tailwind CSS class for #F1F5F9?

  slate-100 — use it as bg-slate-100, text-slate-100, or border-slate-100. The full slate 50–950 ramp is linked above.

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