Exploring the Color #B1B8E9

#B1B8E9 sits at 233° on the color wheel, placing it in the blue family of the cool half of the spectrum. With 56% saturation and 80% lightness, it reads as a moderately saturated, very light tone — a balanced mid-energy presence that sits comfortably alongside other UI tones. Its RGB mix of 177, 184, 233 produces a 10.90:1 contrast ratio against black, which clears WCAG AAA for body text in that pairing.

In RGB space #B1B8E9 is a clear variant of CSS silver — about 44 units away from #C0C0C0. 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 lift, air, and gentle emphasis. On screen the cool cast tends to pair best with warm neutrals in the 25°-45° range to add life.

Darkening Shades

Lightening Shades