#0A3C66 Hex Color
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The #0a3c66 hex code identifies a dark, cool blue with muted saturation and a shaded navy cast. Its low lightness gives interfaces a serious, controlled mood suited to security, finance, government, and formal branding. Use it as a dominant base, then add burgundy or pale gray for contrast without losing its depth. White text reads clearly against it, with about 11.3:1 contrast, meeting WCAG AA for small body text.
Questions about #0a3c66
What is #0a3c66 in RGB, HSL and CMYK?
In RGB, #0a3c66 is rgb(10, 60, 102), in HSL hsl(207, 82%, 22%) and in CMYK 90%, 41%, 0%, 60%.
What colors pair well with #0a3c66?
#0a3c66 pairs well with burgundy, pale gray, and restrained off-white because these accents add warmth or clarity without weakening its dark blue depth. Use pale gray for structure and burgundy sparingly for emphasis in formal palettes.
Is #0a3c66 readable on white or black?
#0a3c66 has a 11.34:1 contrast ratio on white and 1.85:1 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.