#636D91 Hex Color
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#636d91 is a dark, dusty indigo with cool blue-violet undertones and very low saturation. Its matte, ashy finish creates a restrained mood suited to spiritual, luxury, and night-sky themes. Use it as a supporting tone beside warm cream or muted gold, rather than a dominant background. The hex code #636d91 also supports white text at about 5.1:1 contrast.
Questions about #636d91
What is #636d91 in RGB, HSL and CMYK?
In RGB, #636d91 is rgb(99, 109, 145), in HSL hsl(227, 19%, 48%) and in CMYK 32%, 25%, 0%, 43%.
What colors pair well with #636d91?
The best pairings for #636d91 are warm cream, muted gold, and burgundy, adding measured contrast while preserving its restrained mood for luxury, spiritual, or editorial palettes with a softly formal finish. Use cream for spacious layouts and gold for small accents.
Is #636d91 readable on white or black?
#636d91 has a 5.08:1 contrast ratio on white and 4.12:1 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.