Kilotest: Diagnoses of contrast poor violation by HTML element 843 on Sightline Institute page

Here is how tools diagnose the contrast poor issue for HTML element 843 of the Sightline Institute page.

Basics

• About the contrast poor issue
  • Why it matters: Content is difficult to understand
  • Priority: highest
  • Related WCAG standard: 1.4.3
• About the Sightline Institute page
  • URL: https://www.sightline.org/
  • Tested on 2026-04-03 at 04:04
• About HTML element 843
  • Take me there
  • Tag name: A
  • Text: Subscribe to our newsletters
  • Start tag: <a class="gb-button gb-button-252724e1 gb-button-text BlueButton" href="https://www.sightline.org/newsletters/">
  • XPath: /html/body/div[3]/footer[1]/div[1]/div[1]/div[2]/div[1]/div[1]/a[1]
  • Bounding box: x = 1285, y = 3089, width = 275, height = 54

Diagnoses

1. Elements must meet minimum color contrast ratio thresholds; Element has insufficient color contrast of 4.42 (foreground color: #ffffff, background color: #517d99, font size: 12.8pt (17px), font weight: normal). Expected contrast ratio of 4.5:1

   Tool: Axe (Deque)

   Rule: color-contrast

2. Text contrast of 4.43 with its background is less than the WCAG AA minimum requirements for text of size 17px and weight of 600

   Tool: Accessibility Checker (IBM)

   Rule: text_contrast_sufficient

3. Very low contrast

   Tool: WAVE (Utah State University)

   Rule: contrast

4. This element has insufficient contrast at this conformance level. Expected a contrast ratio of at least 4.5:1, but text in this element has a contrast ratio of 4.43:1. Recommendation: change background to #4f7b97.

   Tool: WallyAX (Wally)