Exploring the Color #1D556E

#1D556E sits at 199° on the color wheel, placing it in the azure family of the cool half of the spectrum. With 58% saturation and 27% lightness, it reads as a moderately saturated, shadowed tone — a balanced mid-energy presence that sits comfortably alongside other UI tones. Its RGB mix of 29, 85, 110 produces a 8.15:1 contrast ratio against white, which clears WCAG AAA for body text in that pairing.

In RGB space #1D556E is a clear variant of CSS teal — about 55 units away from #008080. Designers reach for azure hues at this saturation when the brief calls for a conversational, mid-energy register, 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