Exploring the Color #311791

#311791 sits at 253° on the color wheel, placing it in the blue family of the cool half of the spectrum. With 73% saturation and 33% lightness, it reads as a richly saturated, shadowed tone — a balanced mid-energy presence that sits comfortably alongside other UI tones. Its RGB mix of 49, 23, 145 produces a 12.64:1 contrast ratio against white, which clears WCAG AAA for body text in that pairing.

In RGB space #311791 is a clear variant of CSS indigo — about 38 units away from #4B0082. Designers reach for blue hues at this saturation when the brief calls for bold, immediate signal, 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