Exploring the Color #647D88

#647D88 sits at 198° on the color wheel, placing it in the azure family of the cool half of the spectrum. With 15% saturation and 46% lightness, it reads as a heavily muted, balanced tone — a balanced mid-energy presence that sits comfortably alongside other UI tones. Its RGB mix of 100, 125, 136 produces a 4.83:1 contrast ratio against black, which clears WCAG AA for body text in that pairing.

In RGB space #647D88 is a clear variant of CSS gray — about 29 units away from #808080. Designers reach for azure hues at this saturation when the brief calls for restraint and atmosphere, and at this lightness when they want a present, comfortable mid-canvas voice. On screen the cool cast tends to pair best with warm neutrals in the 25°-45° range to add life.

Darkening Shades

Lightening Shades