Exploring the Color #3F1F21

#3F1F21 sits at 356° on the color wheel, placing it in the red family of the warm half of the spectrum. With 34% 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 63, 31, 33 produces a 14.69:1 contrast ratio against white, which clears WCAG AAA for body text in that pairing.

In RGB space #3F1F21 is a distant relative of CSS black — about 78 units away from #000000. Designers reach for red 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 warm cast tends to pair best with cool neutrals around 210°-230° to balance temperature.

Darkening Shades

Lightening Shades