Color specimenNo. 01516884

#172554

Very Dark Blue

A deterministic reference card for #172554. Every value, scheme, and snippet below is computed from the hex — no database, no guesswork.

RGB
23, 37, 84
HSL
226°, 57%, 21%
Text
White on top

Tailwind CSS · blue

tailwind · blue 950

The Tailwind CSS utility classes bg-blue-950, text-blue-950, and friends all reference this hex value.

Scale context · blue

Click any step to jump to its landing page.

Class name
blue-950
Hex
#172554
Closest CSS named color
midnightblue
Full color breakdown
/color/172554

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 #172554 as the text color.

14.69:1
AA passAAA passLarge pass

Rating · AAA

On black

The quick brown fox

Jumps over the lazy dog. Testing readability of #172554 as the text color.

1.43:1
AA failAAA failLarge fail

Rating · Fail

Recommendation

When using #172554 as a background, pair it with #ffffff 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 blue