#2187D1 Hex Color
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#2187d1 is a clean, saturated cyan-leaning blue that reads professional and secure. Designers often rely on it for corporate UI or financial apps because it pairs well with crisp white text. While standard color theory can be complex, understanding what colors make gray helps when muting this vivid tone for subtle backgrounds. Use this hex code as a 30% accent color to maintain visual balance.
Questions about #2187d1
What is #2187d1 in RGB, HSL and CMYK?
In RGB, #2187d1 is rgb(33, 135, 209), in HSL hsl(205, 73%, 47%) and in CMYK 84%, 35%, 0%, 18%.
Which colors complement #2187d1 in UI design?
This saturated blue balances perfectly against crisp neutrals like white or light gray for a professional look. It also creates a high-energy contrast when paired with soft orange accents in digital dashboard layouts.
Is #2187d1 readable on white or black?
#2187d1 has a 3.85:1 contrast ratio on white and 5.45:1 on black. WCAG asks for 4.5:1 for body text and 3:1 for large text, so on white it works only for large text (24px, or 18.5px bold) and on black it works for body text. Try other pairs in the contrast checker.