#1B3D4F Hex Color
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#1b3d4f is a dark, muted blue with cool, gray-green undertones and low saturation. Its dim, navy character creates a serious, dependable mood for finance, security, technology, healthcare, or government designs. Use it as a dominant background with white text, which reaches about 11.5:1 contrast, or pair it with burgundy for restrained warmth.
Questions about #1b3d4f
What is #1b3d4f in RGB, HSL and CMYK?
In RGB, #1b3d4f is rgb(27, 61, 79), in HSL hsl(201, 49%, 21%) and in CMYK 66%, 23%, 0%, 69%.
What colors pair well with #1b3d4f?
#1b3d4f pairs well with warm off-whites, muted brass, and burgundy, adding contrast without weakening its serious, cool base in interfaces, editorial layouts, and formal brand systems.
Is #1b3d4f readable on white or black?
#1b3d4f has a 11.49:1 contrast ratio on white and 1.82:1 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.