#3B455B Hex Color
A serious, muted blue with ashy depth
This muted, ashy blue carries a heavy and serious presence. Its unsaturated, dusty finish makes it a natural fit for backgrounds that require stability or professional restraint. Because it projects security and calm, the hex code #3b455b functions well in technology, finance, and legal branding. It provides a solid, ink-like contrast that grounds any design without drawing too much attention to itself.
Questions about #3b455b
What is #3b455b in RGB, HSL and CMYK?
In RGB, #3b455b is rgb(59, 69, 91), in HSL hsl(221, 21%, 29%) and in CMYK 35%, 24%, 0%, 64%.
What design aesthetic suits this muted blue?
This color excels in industries requiring trust, such as finance, technology, or legal services, because it projects stability and serious intent. Its desaturated finish prevents it from overwhelming a layout, making it an ideal choice for professional-grade text or primary background elements.
Does this color read as warm or cool?
While technically a blue, this shade leans toward a cool, neutral temperature due to its heavy gray and ashy undertones. It lacks the vibrancy of primary blues, which allows it to blend seamlessly into neutral palettes without clashing with warmer accent colors.
Is #3b455b readable on white or black?
#3b455b has a 9.59:1 contrast ratio on white and 2.18:1 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.