#3F6088 Hex Color

Quiet blue with grounded confidence

Hex color #3f6088 graphic
Muted and cool, #3f6088 is a dark blue with gray undertones and a matte, slightly dusty finish. Its restrained saturation suggests reliability, control, and understated seriousness, making it useful for finance, technology, healthcare, and government branding. Use it as a supporting tone or interface background; white text achieves about 6.5:1 contrast. The hex code is #3f6088.

Questions about #3f6088

What is #3f6088 in RGB, HSL and CMYK?
In RGB, #3f6088 is rgb(63, 96, 136), in HSL hsl(213, 37%, 39%) and in CMYK 54%, 29%, 0%, 47%.
What colors pair well with #3f6088?
#3f6088 pairs well with white, soft gray, and warm neutrals such as beige; muted terracotta can add warmth without overwhelming its restrained blue base, while lighter pairings keep layouts clean and warm accents draw attention.
Does #3f6088 read as warm or cool?
#3f6088 reads as a cool color because its blue base and gray undertones suppress warmth, creating a calm, controlled impression rather than an energetic one; its moderate darkness adds visual weight for structured interfaces and supporting backgrounds.
Is #3f6088 readable on white or black?
#3f6088 has a 6.48:1 contrast ratio on white and 3.24:1 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.