#647CA4 Hex Color
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This dusty, unsaturated blue has a matte, ashy quality that reads professional and understated. Because it sits on the cooler side, the hex code #647ca4 works well for backgrounds in tech and finance interfaces where a composed, stable tone is required. It provides enough contrast for readable black text, making it a reliable choice for UI design. Pair it with soft creams to prevent it from feeling too cold.
Questions about #647ca4
What is #647ca4 in RGB, HSL and CMYK?
In RGB, #647ca4 is rgb(100, 124, 164), in HSL hsl(218, 26%, 52%) and in CMYK 39%, 24%, 0%, 36%. Browse more shades of blue with names and hex codes.
What design style works best with #647ca4?
The matte, ashy finish of #647ca4 makes it an excellent choice for corporate, tech-focused, or financial interface designs where stability is key. It functions perfectly as a neutral background that feels professional without appearing overly harsh or demanding.
Which colors pair well with #647ca4?
To prevent #647ca4 from feeling too cold, pair it with soft creams or warm off-whites which introduce necessary balance. If you need contrast, grounding the design with charcoal or deep neutral grays helps anchor the space while maintaining readability.
Is #647ca4 readable on white or black?
#647ca4 has a 4.23:1 contrast ratio on white and 4.96:1 on black. WCAG asks for 4.5:1 for body text and 3:1 for large text, so on white it works only for large text (24px, or 18.5px bold) and on black it works for body text. Try other pairs in the contrast checker.