#255D8D Hex Color
A restrained blue with serious depth
A dark, muted blue with cool, slightly gray undertones, #255d8d feels serious, dependable, and controlled. Its low saturation gives interfaces a restrained, professional mood, making it useful for finance, technology, government, and security designs. Use it as a dominant background or strong supporting tone with white text. The hex code #255d8d provides about 6.9:1 contrast with white.
Questions about #255d8d
What is #255d8d in RGB, HSL and CMYK?
In RGB, #255d8d is rgb(37, 93, 141), in HSL hsl(208, 58%, 35%) and in CMYK 74%, 34%, 0%, 45%.
What colors pair well with #255d8d?
Pair #255d8d with white, soft gray, or a muted brass accent to balance its cool, low-saturation base, while restrained burgundy adds warmth without making the palette feel overly bright or casual.
Where does #255d8d work best in design?
#255d8d works best as a dominant interface background, navigation color, or supporting brand tone where its dark value can establish structure, clear hierarchy, and a professional mood without competing with brighter content.
Is #255d8d readable on white or black?
#255d8d has a 6.93:1 contrast ratio on white and 3.02:1 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 works only for large text (24px, or 18.5px bold). Try other pairs in the contrast checker.