Exploring the Color #3131D8

#3131D8 sits at 240° on the color wheel, placing it in the blue family of the cool half of the spectrum. With 68% saturation and 52% lightness, it reads as a richly saturated, balanced tone — a balanced mid-energy presence that sits comfortably alongside other UI tones. Its RGB mix of 49, 49, 216 produces a 8.20:1 contrast ratio against white, which clears WCAG AAA for body text in that pairing.

In RGB space #3131D8 is a clear variant of CSS royal blue — about 59 units away from #4169E1. Designers reach for blue 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