#3B5571 Hex Color
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This dusty, unsaturated blue carries a matte finish that reads as professional and grounded. It is a reliable choice for security or financial UI designs where serious tones are preferred. White text reads perfectly against this dark shade, providing a strong 7.7:1 contrast ratio. Use this hex code as a base for backgrounds rather than a small accent to maintain its moody, quiet presence.
Questions about #3b5571
What is #3b5571 in RGB, HSL and CMYK?
In RGB, #3b5571 is rgb(59, 85, 113), in HSL hsl(211, 31%, 34%) and in CMYK 48%, 25%, 0%, 56%. Browse more shades of blue with names and hex codes.
What design aesthetic does #3b5571 best support?
#3b5571 provides a serious, muted aesthetic that excels in professional interfaces like financial dashboards or security platforms. Because it is unsaturated and matte, it establishes a sense of quiet authority without overwhelming the user or distracting from critical information.
Is #3b5571 readable on white or black?
#3b5571 has a 7.70:1 contrast ratio on white and 2.72:1 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 is too faint for text. Try other pairs in the contrast checker.