Exploring the Color #3B1D5A

#3B1D5A sits at 270° on the color wheel, placing it in the violet family of the cool half of the spectrum. With 51% saturation and 23% lightness, it reads as a moderately saturated, deep tone — a balanced mid-energy presence that sits comfortably alongside other UI tones. Its RGB mix of 59, 29, 90 produces a 13.91:1 contrast ratio against white, which clears WCAG AAA for body text in that pairing.

In RGB space #3B1D5A is a clear variant of CSS indigo — about 52 units away from #4B0082. Designers reach for violet hues at this saturation when the brief calls for a conversational, mid-energy register, and at this lightness when they want weight, depth, and grounded contrast. On screen the cool cast tends to pair best with warm neutrals in the 25°-45° range to add life.

Darkening Shades

Lightening Shades