Exploring the Color #03063B

#03063B sits at 237° on the color wheel, placing it in the blue family of the cool half of the spectrum. With 90% saturation and 12% lightness, it reads as a fully saturated, deep tone — a weighted, dramatic presence with deep undertones. Its RGB mix of 3, 6, 59 produces a 19.21:1 contrast ratio against white, which clears WCAG AAA for body text in that pairing.

In RGB space #03063B is a clear variant of CSS black — about 59 units away from #000000. Designers reach for blue hues at this saturation when the brief calls for bold, immediate signal, 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