Exploring the Color #40A48D

#40A48D sits at 166° on the color wheel, placing it in the cyan family of the cool half of the spectrum. With 44% saturation and 45% lightness, it reads as a moderately saturated, balanced tone — a balanced mid-energy presence that sits comfortably alongside other UI tones. Its RGB mix of 64, 164, 141 produces a 6.91:1 contrast ratio against black, which clears WCAG AA for body text in that pairing.

In RGB space #40A48D is a clear variant of CSS steel blue — about 52 units away from #4682B4. Designers reach for cyan hues at this saturation when the brief calls for a conversational, mid-energy register, 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