Exploring the Color #045B6B

#045B6B sits at 189° on the color wheel, placing it in the cyan family of the cool half of the spectrum. With 93% saturation and 22% lightness, it reads as a fully saturated, deep tone — a weighted, dramatic presence with deep undertones. Its RGB mix of 4, 91, 107 produces a 7.74:1 contrast ratio against white, which clears WCAG AAA for body text in that pairing.

In RGB space #045B6B is a clear variant of CSS teal — about 43 units away from #008080. Designers reach for cyan 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