Exploring the Color #313548

#313548 sits at 230° on the color wheel, placing it in the blue family of the cool half of the spectrum. With 19% saturation and 24% lightness, it reads as a heavily muted, deep tone — a balanced mid-energy presence that sits comfortably alongside other UI tones. Its RGB mix of 49, 53, 72 produces a 12.11:1 contrast ratio against white, which clears WCAG AAA for body text in that pairing.

In RGB space #313548 is a distant relative of CSS indigo — about 83 units away from #4B0082. Designers reach for blue hues at this saturation when the brief calls for restraint and atmosphere, 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