Exploring the Color #3F4F79

#3F4F79 sits at 223° on the color wheel, placing it in the azure family of the cool half of the spectrum. With 32% saturation and 36% lightness, it reads as a softly muted, shadowed tone — a balanced mid-energy presence that sits comfortably alongside other UI tones. Its RGB mix of 63, 79, 121 produces a 8.06:1 contrast ratio against white, which clears WCAG AAA for body text in that pairing.

In RGB space #3F4F79 is a clear variant of CSS dim gray — about 52 units away from #696969. Designers reach for azure hues at this saturation when the brief calls for a conversational, mid-energy register, and at this lightness when they want a present, comfortable mid-canvas voice. On screen the cool cast tends to pair best with warm neutrals in the 25°-45° range to add life.

Darkening Shades

Lightening Shades