#CBD5E1 — Tints, Shades & Color Values

Tailwind CSS slate-300 · Every value on this page is precomputed — copy what you need.

#CBD5E1 is a light, muted blue. In Tailwind CSS this exact color is the utility class slate-300 (e.g. bg-slate-300, text-slate-300). Its nearest CSS named color is lightgray (#d3d3d3). For readable text on a #CBD5E1 background, black text gives the strongest contrast (14.14:1). Because it is so light, #CBD5E1 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.

#CBD5E1 in Tailwind CSS (slate-300)

#CBD5E1 ships with Tailwind CSS as slate-300 — use it as bg-slate-300, text-slate-300, or border-slate-300. It sits at step 300 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 #CBD5E1 (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 #d0d9e4 Copy
• 20% tint #d5dde7 Copy
• 30% tint #dbe2ea Copy
• 40% tint #e0e6ed Copy
• 50% tint #e5eaf0 Copy
• 60% tint #eaeef3 Copy
• 70% tint #eff2f6 Copy
• 80% tint #f5f7f9 Copy
• 90% tint #fafbfc Copy

Shades of #CBD5E1 (Mixed with Black)

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

• 10% shade #b7c0cb Copy
• 20% shade #a2aab4 Copy
• 30% shade #8e959e Copy
• 40% shade #7a8087 Copy
• 50% shade #666b71 Copy
• 60% shade #51555a Copy
• 70% shade #3d4044 Copy
• 80% shade #292b2d Copy
• 90% shade #141516 Copy

WCAG Contrast & Accessibility

Contrast ratios for text placed on a #CBD5E1 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 #CBD5E1 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: #D1D5DB (gray-300), #A5B4FC (indigo-300), #BAE6FD (sky-200), #BFDBFE (blue-200), #C7D2FE (indigo-200), #93C5FD (blue-300).

Frequently Asked Questions

• What color is #CBD5E1?

  #CBD5E1 is a light, muted blue — rgb(203, 213, 225). Its nearest CSS named color is lightgray. In Tailwind CSS it is slate-300.

• How do I make tints and shades of #CBD5E1?

  Mix #CBD5E1 with white for tints and with black for shades. A 20% tint of #CBD5E1 is #d5dde7 and a 20% shade is #a2aab4 — the full 10%–90% ramps are precomputed on this page, or open #CBD5E1 in the generator for finer steps.

• What text color is readable on #CBD5E1?

  Black text gives the strongest contrast on a #CBD5E1 background at 14.14:1, which passes WCAG AA and AAA for normal text.

• What is the Tailwind CSS class for #CBD5E1?

  slate-300 — use it as bg-slate-300, text-slate-300, or border-slate-300. 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.