#243C54 Hex Color
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#243c54 is a dark, muted blue with gray undertones and low saturation, giving it a cool, matte appearance. Its serious, controlled character suits finance, technology, government, and nautical branding. Use this hex code as a dominant dark background with white text, which reaches about 11.4:1 contrast, or pair it with burgundy for warmer emphasis.
Questions about #243c54
What is #243c54 in RGB, HSL and CMYK?
In RGB, #243c54 is rgb(36, 60, 84), in HSL hsl(210, 40%, 24%) and in CMYK 57%, 29%, 0%, 67%.
What colors pair well with #243c54?
#243c54 pairs well with white and pale blue for a crisp, cool scheme, while burgundy or muted copper can add warmer emphasis to buttons, highlights, and supporting details in a restrained layout. Use lighter neutrals for supporting surfaces and brighter accents sparingly.
Is #243c54 warm or cool?
#243c54 reads as a cool blue because its muted blue base and gray undertones reduce warmth and saturation, giving it a controlled, matte presence that feels more serious and reserved than bright or lively blues.
Is #243c54 readable on white or black?
#243c54 has a 11.35:1 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.