#3F88C5 Hex Color
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A moderately light, slightly muted blue has cool steel undertones and a dependable presence. The hex code for this shade is #3f88c5. Use it as a supporting color beside navy or warm gray in security, finance, healthcare, and technology interfaces. Black text reaches about 5.5:1 contrast, making it suitable behind accessible body copy and dashboard labels.
Questions about #3f88c5
What is #3f88c5 in RGB, HSL and CMYK?
In RGB, #3f88c5 is rgb(63, 136, 197), in HSL hsl(207, 54%, 51%) and in CMYK 68%, 31%, 0%, 23%.
What colors pair well with #3f88c5?
The hex color #3f88c5 pairs well with navy, warm gray, white, and restrained orange accents, creating balanced palettes for interfaces and branding while preserving its dependable, professional character and clear hierarchy.
Is #3f88c5 a warm or cool color?
#3f88c5 reads as a cool blue because its blue channel dominates red and green, with a slightly muted, steel-like quality rather than a vivid electric look in most digital interfaces. It feels stable, clear, and professional.
Is #3f88c5 readable on white or black?
#3f88c5 has a 3.79:1 contrast ratio on white and 5.53:1 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.