#243447 Hex Color
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#243447 is a dark, muted blue with slate-gray undertones and a matte, low-saturation appearance. Its restrained depth suggests seriousness, security, and control, making it effective for dark-mode interfaces, finance, technology, and government branding. Use it as a dominant background with white text, which reaches about 12.7:1 contrast. The hex code for this color is #243447.
Questions about #243447
What is #243447 in RGB, HSL and CMYK?
In RGB, #243447 is rgb(36, 52, 71), in HSL hsl(213, 33%, 21%) and in CMYK 49%, 27%, 0%, 72%.
What colors pair well with #243447?
#243447 pairs well with white, pale blue, and soft gray for a clean cool palette, while warm accents such as terracotta or ochre add contrast without overpowering its restrained, slate-like character.
Does #243447 feel warm or cool?
#243447 reads as a cool color because its dark blue base and slate-gray undertones feel more blue than red or yellow, especially when used across large areas and dark layouts. Its low saturation keeps the effect controlled rather than icy.
Is #243447 readable on white or black?
#243447 has a 12.67:1 contrast ratio on white and 1.65:1 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.