#243C63 Hex Color
A grounded navy with cool restraint
The hex code #243c63 defines a dark, muted blue with cool gray undertones and a matte, navy-like finish. Its low saturation creates a serious, dependable mood for finance, technology, government, and formal branding. Use it as a supporting tone or dark UI background; white text provides about 11:1 contrast for clear small body text.
Questions about #243c63
What is #243c63 in RGB, HSL and CMYK?
In RGB, #243c63 is rgb(36, 60, 99), in HSL hsl(217, 47%, 26%) and in CMYK 64%, 39%, 0%, 61%.
What colors pair well with #243c63?
Pair #243c63 with white, soft gray, pale blue, or muted sage for balanced contrast; warm accents such as terracotta or ochre can add energy without overwhelming its cool, restrained base.
Is #243c63 readable on white or black?
#243c63 has a 11.04:1 contrast ratio on white and 1.90:1 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.