#647989 Hex Color
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This dusty, unsaturated blue reads like a matte slate, perfect for grounding corporate or security interfaces. Because of its muted character, the hex code #647989 works best as a supporting background rather than a main focal point. It pairs well with warm, creamy neutrals to break up its cool tone. Black text maintains excellent legibility on this shade, making it a reliable choice for UI text and functional design elements.
Questions about #647989
What is #647989 in RGB, HSL and CMYK?
In RGB, #647989 is rgb(100, 121, 137), in HSL hsl(206, 16%, 46%) and in CMYK 27%, 12%, 0%, 46%.
What colors pair well with #647989 in a design?
This slate blue functions best when paired with warm, creamy neutrals or soft off-whites to balance its cool, muted undertones. Using warm beige or cream helps brighten the palette, while high-contrast black text ensures excellent readability on the surface.
Is #647989 readable on white or black?
#647989 has a 4.52:1 contrast ratio on white and 4.63:1 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 for body text. Try other pairs in the contrast checker.