#645C90 Hex Color
A calm and understated dusty purple tone
This muted, dusty purple offers a calm and understated alternative to more saturated violet tones. Because it is somewhat desaturated, #645c90 works best as a grounding neutral or supporting background rather than a main accent. It provides sufficient contrast for white text to remain readable. Pair this hex code with soft creams or warm grays to avoid a gloomy look in your interface designs.
Questions about #645c90
What is #645c90 in RGB, HSL and CMYK?
In RGB, #645c90 is rgb(100, 92, 144), in HSL hsl(249, 22%, 46%) and in CMYK 31%, 36%, 0%, 44%.
What color combinations work best with #645c90?
Pair #645c90 with cream or warm gray to maintain a soft, professional interface aesthetic. Using high-contrast white text ensures the design remains accessible and easy to read without feeling too dark or gloomy.
Does #645c90 function as a primary or secondary color?
Because it is desaturated and muted, #645c90 works best as a grounding secondary color or background rather than a main accent. Use it to provide visual support for brighter, more saturated elements in your layout without overwhelming the composition.
Is #645c90 readable on white or black?
#645c90 has a 6.04:1 contrast ratio on white and 3.47:1 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.