#1B3A66 Hex Color
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Not a vivid royal blue but a muted navy, #1b3a66 carries a cool gray undertone that reads serious and grounded. Its low lightness makes it a strong dominant base for corporate, finance, or nautical designs. White text sits at about 11.4:1 contrast, well past WCAG AA for small body copy. Pair it with burgundy or warm brass to keep it from going flat.
Questions about #1b3a66
What is #1b3a66 in RGB, HSL and CMYK?
In RGB, #1b3a66 is rgb(27, 58, 102), in HSL hsl(215, 58%, 25%) and in CMYK 74%, 43%, 0%, 60%.
What colors pair well with #1b3a66?
Warm burgundy and brass both flatter #1b3a66 because their warmth offsets its cool gray undertone. Cream works too if you want a softer, more traditional feel than stark white.
Is #1b3a66 readable on white or black?
#1b3a66 has a 11.39:1 contrast ratio on white and 1.84:1 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.