Color specimenNo. 01400437

#155E75

Bright Dark Cyan

A deterministic reference card for #155E75. Every value, scheme, and snippet below is computed from the hex — no database, no guesswork.

RGB
21, 94, 117
HSL
194°, 70%, 27%
Text
White on top

Tailwind CSS · cyan

tailwind · cyan 800

The Tailwind CSS utility classes bg-cyan-800, text-cyan-800, and friends all reference this hex value.

Scale context · cyan

Click any step to jump to its landing page.

Class name
cyan-800
Hex
#155E75
Closest CSS named color
teal
Full color breakdown
/color/155e75

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 #155E75 as the text color.

7.27:1
AA passAAA passLarge pass

Rating · AAA

On black

The quick brown fox

Jumps over the lazy dog. Testing readability of #155E75 as the text color.

2.89:1
AA failAAA failLarge fail

Rating · Fail

Recommendation

When using #155E75 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 cyan