#2A3F66 Hex Color
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Muted and cool, #2a3f66 is a dark blue with gray undertones and a matte, inky appearance. Its low saturation gives interfaces a serious, stable feel without black’s harshness. Use it as a dominant background for finance, government, or security branding. White text reaches about 10.5:1 contrast, passing WCAG AA for body text. The hex code is #2a3f66.
Questions about #2a3f66
What is #2a3f66 in RGB, HSL and CMYK?
In RGB, #2a3f66 is rgb(42, 63, 102), in HSL hsl(219, 42%, 28%) and in CMYK 59%, 38%, 0%, 60%.
What colors pair well with #2a3f66?
#2a3f66 pairs well with white, pale blue, and soft gray for clean contrast, while muted terracotta adds warmth without overpowering its cool, low-saturation base. Use lighter tones for foreground elements and stronger accents for calls to action.
What mood does #2a3f66 create in design?
#2a3f66 reads as a cool, serious blue with gray undertones, giving interfaces a stable, restrained mood. It suits finance, government, security, and productivity designs when you want authority without the starkness of black.
Is #2a3f66 readable on white or black?
#2a3f66 has a 10.49:1 contrast ratio on white and 2.00:1 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.