#E5E9F7 Hex Color

Deep navy, plum, and charcoal all sit comfortably against #e5e9f7, since its faint violet cast warms dark blues and softens grey. For a sharper look, try a muted terracotta accent; the warm-cool contrast keeps layouts from feeling flat.

Yes. Black text on #e5e9f7 reaches about 17.3:1 contrast, well past the 4.5:1 that WCAG AA requires for body text. Dark grey also works, but avoid white or pale yellow text, which disappears into it.