#663C21 Hex Color
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#663c21 is a somber, desaturated brown with a dusty, earthy quality. Its low lightness makes it an effective anchor for high-contrast palettes, particularly when paired with soft cream or warm white text. Because it feels grounded and slightly moody, use this hex code sparingly as a dominant background to avoid making a layout feel heavy. It shines best as a secondary tone in vintage-inspired branding or agricultural packaging.
Questions about #663c21
What is #663c21 in RGB, HSL and CMYK?
In RGB, #663c21 is rgb(102, 60, 33), in HSL hsl(23, 51%, 26%) and in CMYK 0%, 41%, 68%, 60%.
What colors pair well with #663c21?
Because #663c21 has a dark, earthy profile, it works best alongside soft cream or warm white tones to provide needed contrast. To build a richer palette, introduce deep terracotta or muted olive for a cohesive, natural aesthetic that feels professional.
Is #663c21 readable on white or black?
#663c21 has a 9.40:1 contrast ratio on white and 2.23:1 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.