#1A3F84 Hex Color
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#1a3f84 is a dark, moderately saturated blue with a cool, slightly violet undertone. Its low lightness gives layouts a serious, controlled feel, making it effective for finance, security, government, and corporate branding. Use it as a dominant background with white text, which reaches about 10.1:1 contrast. The hex code for this dependable blue is #1a3f84.
Questions about #1a3f84
What is #1a3f84 in RGB, HSL and CMYK?
In RGB, #1a3f84 is rgb(26, 63, 132), in HSL hsl(219, 67%, 31%) and in CMYK 80%, 52%, 0%, 48%.
What colors pair well with #1a3f84?
#1a3f84 pairs well with white, cool gray, pale blue, and restrained warm accents such as ochre or terracotta, creating balanced palettes that soften its depth without losing a polished, dependable feel.
Is #1a3f84 warm or cool?
#1a3f84 reads as a cool blue because its dark blue base carries a slight violet undertone, giving it a controlled, serious character rather than the warmth associated with yellow, orange, or red-leaning blues.
Is #1a3f84 readable on white or black?
#1a3f84 has a 10.05:1 contrast ratio on white and 2.08:1 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.