Exploring the Color #1E3F3F

#1E3F3F sits at 180° on the color wheel, placing it in the cyan family of the cool half of the spectrum. With 35% saturation and 18% lightness, it reads as a softly muted, deep tone — a balanced mid-energy presence that sits comfortably alongside other UI tones. Its RGB mix of 30, 63, 63 produces a 11.43:1 contrast ratio against white, which clears WCAG AAA for body text in that pairing.

In RGB space #1E3F3F is a distant relative of CSS sea green — about 81 units away from #2E8B57. 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 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