Exploring the Color #1D41D3

#1D41D3 sits at 228° on the color wheel, placing it in the blue family of the cool half of the spectrum. With 76% saturation and 47% 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 29, 65, 211 produces a 7.64:1 contrast ratio against white, which clears WCAG AAA for body text in that pairing.

In RGB space #1D41D3 is a clear variant of CSS royal blue — about 56 units away from #4169E1. 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