#663B1B Hex Color
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#663b1b is a dark, muted brown with warm orange undertones and subdued saturation. Its heavy, earthy appearance suggests seriousness, resilience, comfort, and mystery. Use it as a dominant background for moody branding, coffee, chocolate, tobacco, or artisan products, pairing it with cream or muted sage. White text remains highly readable, with about 9.5:1 contrast. The hex code is #663b1b.
Questions about #663b1b
What is #663b1b in RGB, HSL and CMYK?
In RGB, #663b1b is rgb(102, 59, 27), in HSL hsl(26, 58%, 25%) and in CMYK 0%, 42%, 74%, 60%.
What colors pair well with #663b1b?
The #663b1b hex color pairs well with cream, muted sage, and warm beige, which soften its dark, earthy base without competing with its orange undertones. Use white or cream for clean contrast, and sage for a restrained natural palette.
Is #663b1b a warm or cool color?
The #663b1b hex color reads as a warm brown because its dark base carries subtle orange undertones. Its low saturation keeps that warmth subdued, giving it a grounded, serious feel rather than a bright or rustic look.
Where can #663b1b be used?
Use #663b1b as a dominant background or accent in coffee, chocolate, tobacco, and artisan branding, where its earthy depth supports a serious, comforting mood. Balance it with cream, white, or muted sage so layouts do not feel too heavy.
Is #663b1b readable on white or black?
#663b1b has a 9.51:1 contrast ratio on white and 2.20:1 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.