A detailed comparison of #40454F and #4A4F40 — split-complementary colors
background: linear-gradient(to right, #40454F, #4A4F40);
With a contrast ratio of 1.14:1, this pair does not meet WCAG guidelines for text. Use these colors as adjacent blocks, gradients, or decorative accents rather than text-on-background pairings.
These colors have a 140\u00B0 hue difference, making them split-complementary. They offer moderate contrast — versatile for card designs, illustrations, and layered UI compositions.