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Libre WCAG Color Contrast Checker

Check whether two colors meet WCAG AA and AAA contrast standards for accessibility. Live preview at multiple text sizes with automatic suggestions when contrast is too low.

Runs in your browserNo sign-up, no pop-upsHindi kailangan ng loginLibre magpakailanman

Text color

Background color

Large heading text

Medium body text (18px) for reading and content.

Normal body text (16px) for paragraphs.

Small body text (14px) for captions and metadata.

14.63:1

Contrast ratio

✓WCAG AA — Normal text

Requires 4.5:1 · You have 14.63:1

✓WCAG AA — Large text

Requires 3.0:1 · You have 14.63:1

✓WCAG AAA — Normal text

Requires 7.0:1 · You have 14.63:1

✓WCAG AAA — Large text

Requires 4.5:1 · You have 14.63:1

✓UI components / graphical objects

Requires 3.0:1 · You have 14.63:1

Quick presets

Based on WCAG 2.1 contrast guidelines. Large text = 18pt (24px) normal or 14pt (18.66px) bold. Hex codes update in both directions: type a hex or pick a color, both inputs stay in sync.

Optimize for your platform

Audit Web Pages for WCAG Compliance Verify Brand Color Combinations Test Dark Mode Color Palettes Color Pairings for Print Materials Design Accessible Button Colors

Paano ito Gumagana

1

Ilagay

Ilagay ang iyong teksto o data.

2

Iproseso

Pinoproseso nang agad sa iyong browser. Walang server, walang paghihintay.

3

I-download

I-save ang iyong resulta. Walang naiiimbak.

Bakit gamitin ang aming kasangkapan?

✓Completely free — no hidden costs, ever

✓No account, email, or login required

✓Runs entirely in your browser — no uploads

✓Works on any device — phone, tablet, desktop

✓Open and ad-supported, with no tracking

✓Loads fast, with no installation needed

Mga Kaugnay na Kasangkapan

Tagabuo ng QR Code

Gumawa ng mga QR code para sa mga URL, teksto, WiFi, at iba pa. Walang watermark.

Color Picker at Palette Generator

Pumili ng mga kulay, mag-convert sa pagitan ng HEX/RGB/HSL, at gumawa ng magkakaayon na palette.

Tagabuo ng Password

Bumuo ng malakas, random na mga password na may custom na haba, mga uri ng character, at mga pagbubukod. Walang mga limitasyon, walang mga pag-login.

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