Color specimenNo. 13358561

#CBD5E1

Dusty Very Light Blue

A deterministic reference card for #CBD5E1. Every value, scheme, and snippet below is computed from the hex — no database, no guesswork.

RGB
203, 213, 225
HSL
213°, 27%, 84%
Text
Black on top

Tailwind CSS · slate

tailwind · slate 300

The Tailwind CSS utility classes bg-slate-300, text-slate-300, and friends all reference this hex value.

Scale context · slate

Click any step to jump to its landing page.

Class name
slate-300
Hex
#CBD5E1
Closest CSS named color
lightgray
Full color breakdown
/color/cbd5e1

Developer snippets

Copy-ready code

Every snippet below is generated from the hex — not a hand-maintained table.

Conversions

Same color, seven encodings

Nearest matches

Closest in other design systems

Accessibility

Contrast against white & black

On white

The quick brown fox

Jumps over the lazy dog. Testing readability of #CBD5E1 as the text color.

1.48:1
AA failAAA failLarge fail

Rating · Fail

On black

The quick brown fox

Jumps over the lazy dog. Testing readability of #CBD5E1 as the text color.

14.14:1
AA passAAA passLarge pass

Rating · AAA

Recommendation

When using #CBD5E1 as a background, pair it with #000000 text for the best WCAG contrast.

Contrast ratios only — one part of WCAG 2.1. Not a certification of accessibility or legal compliance.

Related Tailwind swatches

Other stops in slate