#1B263F Hex Color
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#1b263f is a dark, muted blue with gray undertones, giving interfaces a serious, controlled, slightly mysterious feel. Its low saturation suits security, finance, government, and technology branding without demanding attention. Use it as a dominant dark-mode background with white text, which reaches about 15:1 contrast. The hex code for this reliable shade is #1b263f.
Questions about #1b263f
What is #1b263f in RGB, HSL and CMYK?
In RGB, #1b263f is rgb(27, 38, 63), in HSL hsl(222, 40%, 18%) and in CMYK 57%, 40%, 0%, 75%.
What colors pair well with #1b263f?
#1b263f pairs well with white, pale blue, soft gray, and muted warm accents such as terracotta, creating readable contrast in interface palettes while keeping its serious blue base in control.
Does #1b263f read as warm or cool?
#1b263f reads as a cool color because its blue base and gray undertones reduce warmth, giving it a controlled, reserved appearance rather than the softness associated with brown- or red-based dark shades.
Where does #1b263f work best in a design?
#1b263f works well as a dark-mode background, navigation bar, or restrained brand color for security, finance, government, and technology interfaces where a serious, low-distraction mood and clear hierarchy matter most.
Is #1b263f readable on white or black?
#1b263f has a 15.04:1 contrast ratio on white and 1.39:1 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.