#28508B Hex Color

Online color picker to view shades, tints, color codes, and complementary colors

Hex color #28508b graphic
Dark and muted, #28508b is a cool blue with restrained saturation and serious depth. Its shaded character suggests trust, security, and control, making it useful for finance, technology, government, and healthcare branding. Use the hex code #28508b as a dominant interface background with white text, which provides about 8.0:1 contrast.

Questions about #28508b

What is #28508b in RGB, HSL and CMYK?
In RGB, #28508b is rgb(40, 80, 139), in HSL hsl(216, 55%, 35%) and in CMYK 71%, 42%, 0%, 45%.
Does #28508b read as a warm or cool color?
#28508b reads as a cool, muted blue because its blue channel strongly outweighs its red and green channels, giving it a composed, dependable feel rather than the lively energy of brighter royal or electric blues.
What colors pair well with #28508b?
Pair #28508b with warm coral or muted terracotta accents to offset its cool depth; white and pale gray keep layouts crisp, while soft gold can add warmth without overpowering the blue.
Is #28508b readable on white or black?
#28508b has a 8.04:1 contrast ratio on white and 2.61:1 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.