#3B4B51 Hex Color

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Hex color #3b4b51 graphic
Dark and muted, #3b4b51 is a dusky cyan with strong gray undertones and a matte, ashy finish. Its low saturation creates a serious, mysterious mood suited to technology, aerospace, and moody interfaces. Use it as a dark-mode background or supporting tone, pairing it with warm ivory. The hex code is #3b4b51, and white text provides about 9.1:1 contrast.

Questions about #3b4b51

What is #3b4b51 in RGB, HSL and CMYK?
In RGB, #3b4b51 is rgb(59, 75, 81), in HSL hsl(196, 16%, 27%) and in CMYK 27%, 7%, 0%, 68%. Browse more shades of gray with names and hex codes.
Does #3b4b51 read as warm or cool?
#3b4b51 reads as a cool, subdued cyan because its blue-green hue is heavily softened by gray. The result feels restrained and slightly industrial rather than bright or tropical, making it a strong supporting color for technical, aerospace, and dark UI designs.
What colors pair well with #3b4b51?
Warm ivory provides clean contrast against #3b4b51, while muted terracotta or burgundy accents add warmth without fighting its dusky cyan base, giving interfaces and editorial layouts a cool foundation with controlled, low-key color contrast.
Is #3b4b51 readable on white or black?
#3b4b51 has a 9.08:1 contrast ratio on white and 2.31:1 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 is too faint for text. Try other pairs in the contrast checker.