#1B3BFC Hex Color
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Loud, saturated, and darker than most web blues, this shade of blue hits hard even at small sizes. The hex code #1b3bfc works best as an accent for buttons and highlights; as a full background it can swallow a layout. Warm ochre or coral brings out its depth better than plain white. White text sits at about 6.8:1 contrast, clearing WCAG AA for body copy.
Questions about #1b3bfc
What is #1b3bfc in RGB, HSL and CMYK?
In RGB, #1b3bfc is rgb(27, 59, 252), in HSL hsl(231, 97%, 55%) and in CMYK 89%, 77%, 0%, 1%.
What colors pair well with #1b3bfc?
Warm ochre and coral flatter #1b3bfc because their orange undertone balances its cool saturation. For darker palettes, pair it with charcoal or near-black neutrals.
Is #1b3bfc readable on white or black?
#1b3bfc has a 6.82:1 contrast ratio on white and 3.07:1 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 works only for large text (24px, or 18.5px bold). Try other pairs in the contrast checker.