#1B4366 Hex Color
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#1b4366 is a dark, muted blue with cool gray undertones and low saturation. Its serious, dependable character suits security, finance, government, and corporate interfaces. Use it as a dominant background or supporting tone, pairing it with burgundy or warm white for contrast. White text reads clearly on this color, with about 10.3:1 contrast. The hex code is #1b4366.
Questions about #1b4366
What is #1b4366 in RGB, HSL and CMYK?
In RGB, #1b4366 is rgb(27, 67, 102), in HSL hsl(208, 58%, 25%) and in CMYK 74%, 34%, 0%, 60%.
What colors pair well with #1b4366?
#1b4366 pairs well with warm white for clean contrast, burgundy for a richer accent, and pale blue-gray for a restrained monochromatic scheme across polished interface backgrounds and restrained brand accents.
Is #1b4366 a warm or cool color?
#1b4366 reads as a cool blue because its dark hue is tempered by gray undertones rather than yellow or red. Low saturation keeps the effect muted and serious, making it more reserved than vivid or energetic.
Is #1b4366 readable on white or black?
#1b4366 has a 10.28:1 contrast ratio on white and 2.04:1 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.