#0D05B3 Hex Color
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This intense, deep blue sits on the colder end of the spectrum with striking saturation. Because #0d05b3 is so dark, it serves as an excellent anchor for corporate or technology branding where authority is needed. It provides strong accessibility, offering a high contrast ratio of 12.4:1 against white text. Use it sparingly as a dominant background to avoid overwhelming a design.
Questions about #0d05b3
What is #0d05b3 in RGB, HSL and CMYK?
In RGB, #0d05b3 is rgb(13, 5, 179), in HSL hsl(243, 95%, 36%) and in CMYK 93%, 97%, 0%, 30%. Browse more shades of blue with names and hex codes.
How should I use #0d05b3 in a design system?
#0d05b3 works best as an accent or anchor rather than a large background, because its high saturation can overwhelm the eye. Use it for call-to-action buttons or primary navigation elements to ensure they stand out against neutral layouts.
Is #0d05b3 readable on white or black?
#0d05b3 has a 12.42:1 contrast ratio on white and 1.68:1 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.