Exploring the Color #391C51

#391C51 sits at 273° on the color wheel, placing it in the violet family of the cool half of the spectrum. With 49% saturation and 21% 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 57, 28, 81 produces a 14.39:1 contrast ratio against white, which clears WCAG AAA for body text in that pairing.

In RGB space #391C51 is a clear variant of CSS indigo — about 59 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