#1D3659 Hex Color
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#1d3659 is a dark, muted navy with cool blue undertones and low saturation. Its dusty, shadowed quality brings a serious, controlled mood to a design. Use the hex code #1d3659 for dominant backgrounds in finance, technology, or formal interfaces. White text remains highly readable against it. Large areas can feel heavy, so lighter accents help.
Questions about #1d3659
What is #1d3659 in RGB, HSL and CMYK?
In RGB, #1d3659 is rgb(29, 54, 89), in HSL hsl(215, 51%, 23%) and in CMYK 67%, 39%, 0%, 65%.
What colors pair well with #1d3659?
#1d3659 pairs well with burgundy and muted brass because its cool, low-saturation base gives warmer accents room to stand out in a restrained palette for formal branding, dashboards, and editorial layouts. Use burgundy sparingly for buttons or small details.
Is #1d3659 readable on white or black?
#1d3659 has a 12.17:1 contrast ratio on white and 1.72:1 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.