What is the minimum contrast ratio for WCAG AA compliance?

For WCAG AA compliance, normal text requires a minimum contrast ratio of 4.5:1, while large text (18pt or 14pt bold) requires 3:1.

What is the difference between WCAG AA and AAA standards?

WCAG AAA requires higher contrast ratios: 7:1 for normal text and 4.5:1 for large text, compared to AA's 4.5:1 and 3:1 respectively.

How do I fix poor color contrast?

Use our automatic fix feature to adjust either text or background colors while maintaining your design intent, or manually adjust colors using HSL sliders with visual indicators showing optimal zones for AA/AAA compliance.

What are the visual indicators on the adjustment sliders?

The green zones and AA/AAA markers show optimal ranges for achieving WCAG compliance. The direction hints (Lighter/Darker) guide you toward better contrast based on your current color combination.

Can I test custom color combinations?

Yes, you can enter any hex color codes or use the color picker to select custom colors. The URL updates automatically so you can share specific color combinations.

Color Contrast Checker - WCAG AA & AAA Compliance Tool

1.00:1

Contrast

Fail

Imbi kakhulu

Umbhalo oqhelekileyo

AA (4.5:1)

✖

AAA (7:1)

✖

Umbhalo omkhulu

AA (3:1)

✖

AAA (4.5:1)

✖

Umbala wombhalo

White

#ffffff

Umbala wemvelaphi

Regal Blue

#013f6a

Izilungiso ezikhawulezayo

Isihloko sokujonga kuqala

Ingcuka emdaka ekhawulezayo itsiba phezu kwenja evila

Umzekelo wombhalo omncinci (12px)

Umbhalo

#ffffff

Imvelaphi

#013f6a

Imigangatho ye-WCAG

Level AA

Umlinganiselo omncinci we-contrast we-4.5:1 wombhalo oqhelekileyo kunye ne-3:1 wombhalo omkhulu. Kufuneka kwiwebhusayithi ezininzi.

Level AAA

Umlinganiselo ophuculweyo we-contrast we-7:1 wombhalo oqhelekileyo kunye ne-4.5:1 wombhalo omkhulu. Kucetyiswa ukufikeleleka okugqwesileyo.

Ukungqubana okungonelanga kuzo zonke izicatshulwa - akuphumeleli kwimigangatho ye-WCAG.

Umkhangeli wokungafani kombala

Bala umlinganiselo we-contrast wombhalo kunye nemibala yangasemva.

Khetha umbala usebenzisa i-color picker wombhalo kunye nombala wangasemva okanye ufake umbala kwi-RGB hexadecimal format (umz., #259 okanye #2596BE). Ungalungisa isilayida ukukhetha umbala. I-Web Content Accessibility Guidelines (WCAG) inemigaqo ethile yokunceda ukufumanisa ukuba umbhalo uyafundeka na kubasebenzisi abanombono. Le migaqo isebenzisa i-algorithm ethile yokulinganisa indibaniselwano yemibala ibe ngamanani alinganayo. Ngokusebenzisa le fomula, i-WCAG ithi umlinganiselo we-contrast wombala we-4.5:1 kunye nombhalo kunye nemvelaphi yawo ulungile kumbhalo oqhelekileyo (umzimba), kwaye umbhalo omkhulu (18+ pt oqhelekileyo, okanye 14+ pt obhityileyo) kufuneka ube nobuncinci umlinganiselo we-contrast wombala we-3:1.

Iimpawu eziphambili

• Ukubala umyinge wokungqubana ngexesha lokwenyani
• Ukujonga ukuthotyelwa kwe-WCAG AA & AAA
• I-HSL sliders yokulungisa kakuhle
• Iifomathi ezininzi zokujonga kuqala

Izixhobo eziphambili

• Ukulungiswa kombala ngokuzenzekelayo
• Iisampulu zesicatshulwa kunye nemvelaphi
• Ukufunyanwa kwegama lombala
• Thumela iziphumo

ImageColorPicker.com

Umkhangeli we-Contrast yeMibala