#100A09 Hex Color
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This ashy, near-black red carries a somber, heavy weight. Because it is extremely dark, #100a09 functions best as a base for moody, high-contrast dark mode designs rather than text. It provides exceptional legibility for white type and pairs well with muted metallic accents. Use this hex code when you need a grounded, serious background that avoids the starkness of pure black.
Questions about #100a09
What is #100a09 in RGB, HSL and CMYK?
In RGB, #100a09 is rgb(16, 10, 9), in HSL hsl(9, 28%, 5%) and in CMYK 0%, 38%, 44%, 94%.
How does #100a09 compare to using pure black in design?
#100a09 provides a softer, more organic feel than pure black, which can often look harsh or flat on screens. It introduces a subtle, warm red undertone that adds perceived depth and luxury to interface backgrounds while maintaining excellent legibility for white text.
What colors pair well with the deep tone of #100a09?
#100a09 works best with muted metallic accents or soft neutrals to maintain its sophisticated, moody atmosphere. Try pairing it with muted gold for a premium look, or use high-contrast cool gray typography to keep the interface clean, readable, and modern.
Is #100a09 readable on white or black?
#100a09 has a 19.63:1 contrast ratio on white and 1.06:1 on black. WCAG asks for 4.5:1 for body text and 3:1 for large text, so on white it works for body text and on black it is too faint for text. Try other pairs in the contrast checker.