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Categories
  • API Client GeneratorGenerate API clients for popular APIs
  • Code Diff CheckerCompare and visualize code differences
  • Code PlaygroundWrite, test, and experiment with code
  • CRON CalculatorGenerate and understand cron expressions
  • CSS ↔ Tailwind ConverterConvert between CSS and Tailwind CSS
  • Docker Compose BuilderBuild Docker Compose files with ease
  • Git Command GeneratorVisual Git command builder with advanced features
  • GraphQL GeneratorGenerate GraphQL queries and mutations
  • JSON to TypeScriptConvert JSON to TypeScript interfaces
  • JSX to ImageConvert JSX to an image
  • JWT DecoderDecode JSON Web Tokens and inspect payloads
  • Mermaid Diagram GeneratorGenerate Mermaid diagrams
  • SVG to JSXConvert SVG to JSX
  • UUID GeneratorGenerate and validate UUIDs
  • Base64 EncoderConvert text and files to/from Base64
  • CSV ↔ JSON ConverterConvert between CSV and JSON
  • Data GeneratorGenerate random data for testing and development
  • JSON FormatterFormat, validate, and beautify JSON
  • SQL FormatterAdvanced SQL formatting, validation & optimization
  • YAML to JSON ConverterConvert YAML to JSON and vice versa
  • Box Shadow GeneratorInteractive panel for CSS box-shadow values
  • Clip Path GeneratorGenerate CSS clip-path values
  • Color Palette GeneratorCreate beautiful color palettes
  • CSS AnimationsVisualize CSS animations
  • Flexbox GeneratorVisually build CSS flex layouts
  • Gradient GeneratorCreate beautiful gradients
  • Grid Layout GeneratorDrag-and-drop to craft CSS Grid templates
  • Neumorphism GeneratorCreate soft UI designs with neumorphism
  • Case ConverterConvert text between different cases
  • Lorem Ipsum GeneratorGenerate placeholder text
  • Markdown EditorWrite Markdown with live preview
  • Readme GeneratorGenerate READMEs for your projects
  • Text Diff AnalyzerCompare two text documents
  • Favicon GeneratorProduce multi-size icons from a single image
  • Image Format ConverterConvert between image formats
  • Image ResizerResize and optimize images
  • Placeholder GeneratorGenerate placeholder images
  • QR Code GeneratorGenerate QR codes
  • SVG ConverterConvert images to SVG
  • SVG OptimizerOptimize SVG files
  • GitHub Repo AnalyzerComprehensive analysis for any GitHub repo
  • HTTP Status LookupLookup HTTP status codes
  • Responsive TesterPreview your site at various device widths
  • SEO AuditAnalyze your website for SEO issues
  • SEO Metadata EditorEdit your website's SEO metadata
  • Storage InspectorInspect local storage and session storage
  • Tech Stack DetectorIdentify technologies used on a website
  • URL Encoder/DecoderEncode and decode URLs
  • WebSocket TesterTest WebSocket connections
  • WCAG Contrast CheckerCheck contrast ratio between two colors
  • Web Vitals CalculatorCalculate web performance metrics
  • Hash GeneratorGenerate hashes for text and files
  • HEX CompareCompare two HEX data sets and visualize the differences
  • Number Base ConverterConvert between number bases
  • PX ↔ REM ConverterQuickly translate pixel values to rem units
  • Regex TesterCreate and test regular expressions
  • Unix TimestampConvert Unix timestamps to dates

WCAG Contrast Checker

Ensure your designs meet accessibility standards with real-time contrast ratio analysis

Color Selection

HEX:#000000
RGB:0, 0, 0
HSL:0°, 0%, 0%
CMYK:0%, 0%, 0%, 100%
Named:black
HEX:#ffffff
RGB:255, 255, 255
HSL:0°, 0%, 100%
CMYK:0%, 0%, 0%, 0%
Named:white

Contrast Analysis

Contrast Ratio
21.00:1
Normal Text
(< 18pt or < 14pt bold)
WCAG AA
Pass
WCAG AAA
Pass
Large Text
(≥ 18pt or ≥ 14pt bold)
WCAG AA
Pass
WCAG AAA
Pass
Foreground
HEX:#000000
RGB:0, 0, 0
HSL:0°, 0%, 0%
CMYK:0%, 0%, 0%, 100%
Named:black
Background
HEX:#ffffff
RGB:255, 255, 255
HSL:0°, 0%, 100%
CMYK:0%, 0%, 0%, 0%
Named:white

Accessibility Score

Compliant
100
out of 100
Excellent

This color combination meets the highest accessibility standards.

Contrast100
Color Blind100
UI Legibility100
#000000
Foreground
on
#ffffff
Background
Contrast Ratio21.00:1
WCAG AA (Normal)
Pass4.5:1
WCAG AAA (Normal)
Pass7:1

Live Preview

16px
400
Heading Example

The quick brown fox jumps over the lazy dog

Paragraph Example

Lorem ipsum dolor sit amet, consectetur adipiscing elit. Sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris.

Button Example

WCAG Contrast Checker