#0F172A Hex Color

Professional deep blue for modern dark modes

Hex color #0f172a graphic
#0f172a is a dark, inky blue that functions as a professional alternative to pure black. This hex code provides a solid base for modern dark mode UI layouts where eye strain is a concern. Because white text maintains high legibility against this hue, designers often use it to create an authoritative look for fintech or security-focused digital products.

Questions about #0f172a

What is #0f172a in RGB, HSL and CMYK?
In RGB, #0f172a is rgb(15, 23, 42), in HSL hsl(222, 47%, 11%) and in CMYK 64%, 45%, 0%, 84%.
Is #0f172a a better choice for UI backgrounds than pure black?
#0f172a is generally preferred for digital interfaces because it reduces eye strain compared to pitch black backgrounds. It provides sufficient contrast for white text while maintaining a softer, more premium aesthetic that prevents the vibration effect often seen with deep black pixels.
What colors pair well with #0f172a for a high-end look?
This deep blue works beautifully with crisp whites or subtle cool grays for readability, but pairs best with vibrant accents like emerald or gold for visual impact. Using muted metallic tones creates a trustworthy and authoritative palette suitable for professional branding or fintech applications.
Is #0f172a readable on white or black?
#0f172a has a 17.85:1 contrast ratio on white and 1.17:1 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.