Heavy Metal

#213129

Color Harmonies

Mathematical Matches
Monochromatic
#4a6e5c#364f43#213129#0c1310#000000
Analogous
#213121#213129#213131
Complementary
#213129#312129
Split-Complementary
#213129#312131#312121
Triadic
#213129#292131#312921
Tetradic (Double Complementary)
#213129#212131#312129#313121

Readability & Contrast

Accessibility Audit & WCAG Compliance

Use Case: Standard White Text

White Text

AAA PASS
The Future
is Color.
Contrast Ratio13.67:1
Use Case: Standard Black Text

Black Text

FAIL
The Future
is Color.
Contrast Ratio1.53:1
Optimized AAA Text

Suggested Text

AAA PASS
The Future
is Color.
Contrast Ratio7.16:1
Recommended Monochrome
#8ec8ab
Optimized AAA Background

Suggested Background

AAA PASS
The Future
is Color.
Contrast Ratio7.13:1
Suggested Complement
#d9b0c5

Vision Deficiency Simulations

Protanopia

Red Blind

Deuteranopia

Green Blind

Tritanopia

Blue Blind

Achromatopsia

Total Color Blind

Developer Tools

Ready-to-use snippets for your codebase.

Closest Standard Class

bg-zinc-800Approx

Arbitrary Value (JIT)

<div class="bg-[#213129] text-white">
  <!-- Your Content -->
</div>

tailwind.config.js

// tailwind.config.js
module.exports = {
  theme: {
    extend: {
      colors: {
        'brand': '#213129',
      }
    }
  }
}