#F0F9FF — Tints, Shades & Color Values
#F0F9FF is a very light, vivid blue. In Tailwind CSS this exact color is the utility class sky-50 (e.g. bg-sky-50, text-sky-50). Its nearest CSS named color is aliceblue (#f0f8ff). For readable text on a #F0F9FF background, black text gives the strongest contrast (19.70:1). Because it is so light, #F0F9FF works best as a background or surface color paired with dark text, or as a high-percentage tint in an existing palette.
Color Values
| Hex | #F0F9FF |
|---|---|
| RGB | rgb(240, 249, 255) |
| HSL | hsl(204, 100%, 97%) |
| HSV / HSB | 204°, 6%, 100% |
| Nearest named | aliceblue (#f0f8ff) |
Need these in another format? Use our hex to RGB converter for quick two-way conversion.
#F0F9FF in Tailwind CSS (sky-50)
#F0F9FF ships with Tailwind CSS as sky-50 — use it as bg-sky-50, text-sky-50, or border-sky-50. It sits at step 50 of the sky ramp; every other step links to its own page:
Browse the full Tailwind palette in the color library, or generate in-between steps with the tint & shade generator.
Tints of #F0F9FF (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
#f2faff -
20% tint
#f3faff -
30% tint
#f5fbff -
40% tint
#f6fbff -
50% tint
#f8fcff -
60% tint
#f9fdff -
70% tint
#fbfdff -
80% tint
#fcfeff -
90% tint
#fefeff
Shades of #F0F9FF (Mixed with Black)
Each step blends the base color toward black using new = old × (1 − factor).
-
10% shade
#d8e0e6 -
20% shade
#c0c7cc -
30% shade
#a8aeb3 -
40% shade
#909599 -
50% shade
#787d80 -
60% shade
#606466 -
70% shade
#484b4d -
80% shade
#303233 -
90% shade
#181919
WCAG Contrast & Accessibility
Contrast ratios for text placed on a #F0F9FF background. WCAG requires 4.5:1 for normal text (AA), 3:1 for large text (AA), and 7:1 for normal text (AAA).
| Text color | White text 1.07:1 — AA normal: Fail · AA large: Fail · AAA: Fail |
|---|---|
| Black text 19.70:1 — AA normal: Pass · AA large: Pass · AAA: Pass |
If neither pure white nor pure black reaches the level you need, pick a darker shade of #F0F9FF 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: #EFF6FF (blue-50), #EEF2FF (indigo-50), #F9FAFB (gray-50), #F8FAFC (slate-50), #F1F5F9 (slate-100), #F3F4F6 (gray-100).
Frequently Asked Questions
-
What color is #F0F9FF?
#F0F9FF is a very light, vivid blue —
rgb(240, 249, 255). Its nearest CSS named color isaliceblue. In Tailwind CSS it issky-50. -
How do I make tints and shades of #F0F9FF?
Mix #F0F9FF with white for tints and with black for shades. A 20% tint of #F0F9FF is
#f3faffand a 20% shade is#c0c7cc— the full 10%–90% ramps are precomputed on this page, or open #F0F9FF in the generator for finer steps. -
What text color is readable on #F0F9FF?
Black text gives the strongest contrast on a #F0F9FF background at 19.70:1, which passes WCAG AA and AAA for normal text.
-
What is the Tailwind CSS class for #F0F9FF?
sky-50— use it asbg-sky-50,text-sky-50, orborder-sky-50. The full sky 50–950 ramp is linked above.
Browse more colors in the color library, or start from any hex code on the HexTints homepage.
#F0F9FF? Put it on a free link-in-bio page →