#3987BD Hex Color
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#3987bd is a medium, cool blue with softened saturation and a slight cyan undertone. Its controlled, dependable character suits security interfaces, finance dashboards, healthcare systems, and technology branding. Use it as a supporting tone beside navy or charcoal rather than a full-page background. The hex code #3987bd also supports black body text at about a 5.4:1 contrast ratio.
Questions about #3987bd
What is #3987bd in RGB, HSL and CMYK?
In RGB, #3987bd is rgb(57, 135, 189), in HSL hsl(205, 54%, 48%) and in CMYK 70%, 29%, 0%, 26%. Browse more shades of blue with names and hex codes.
What colors pair well with #3987bd in a professional palette?
#3987bd pairs well with charcoal for a sharper interface and with warm terracotta for a more human accent. Off-white helps its medium lightness feel cleaner without making the blue appear washed out.
Is #3987bd readable on white or black?
#3987bd has a 3.90:1 contrast ratio on white and 5.37:1 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.