#646D7E Hex Color
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Blue grey at its most muted. #646d7e is a dusty, near-grey blue with low saturation that reads calm and grounded rather than vivid. It works best as a supporting tone or dark mode base, and it looks richer against warm accents like terracotta than against plain white. White text passes AA contrast on it, so it holds up behind body copy too.
Questions about #646d7e
What is #646d7e in RGB, HSL and CMYK?
In RGB, #646d7e is rgb(100, 109, 126), in HSL hsl(219, 12%, 44%) and in CMYK 21%, 13%, 0%, 51%.
What colors pair well with #646d7e?
#646d7e pairs well with warm accents like terracotta and muted burgundy, which bring out its blue undertone. Cool whites and pale greys work too, though low-contrast pairings can flatten it.
Is #646d7e readable on white or black?
#646d7e has a 5.21:1 contrast ratio on white and 4.03:1 on black. WCAG asks for 4.5:1 for body text and 3:1 for large text, so on white it works for body text and on black it works only for large text (24px, or 18.5px bold). Try other pairs in the contrast checker.