#0039AA Hex Color
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This deep, saturated blue demands attention with its serious tone. It serves well as a primary brand color for finance or tech firms because it projects stability. When using #0039aa as a background, white text provides excellent readability with a 9.7:1 contrast ratio. If you are learning how to make blue, this shade functions as a solid anchor for high-contrast UI designs. The hex code is #0039aa.
Questions about #0039aa
What is #0039aa in RGB, HSL and CMYK?
In RGB, #0039aa is rgb(0, 57, 170), in HSL hsl(220, 100%, 33%) and in CMYK 100%, 66%, 0%, 33%.
What colors pair well with #0039aa in a UI design?
Clean whites and light grays are the best partners for #0039aa, providing the high contrast needed for readable text. If you need an accent, soft warm oranges or vibrant yellows create a sharp, complementary pop against this cool blue anchor.
Is #0039aa suitable for use as a primary interface color?
Yes, #0039aa is a highly effective choice for primary UI elements because it conveys authority, trust, and structural stability. It performs best on large buttons or navigational headers where its strong, professional character can anchor the overall visual hierarchy.
Is #0039aa readable on white or black?
#0039aa has a 9.69:1 contrast ratio on white and 2.16:1 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.