#1D3138 Hex Color
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#1d3138 is a dark, muted cyan with strong grey undertones. It creates a serious, grounded mood perfect for dark mode interfaces. Because it offers a 13.6:1 contrast ratio against white, it remains highly legible even at small font sizes. Use this hex code as a dominant background color, pairing it with soft creams or warm golds to balance its inherent coolness.
Questions about #1d3138
What is #1d3138 in RGB, HSL and CMYK?
In RGB, #1d3138 is rgb(29, 49, 56), in HSL hsl(196, 32%, 17%) and in CMYK 48%, 13%, 0%, 78%.
What colors pair best with #1d3138 for a balanced palette?
Is #1d3138 a good choice for text-heavy dark mode interfaces?
Yes, #1d3138 provides a strong, serious foundation for UI design that remains highly readable. Its 13.6:1 contrast ratio against white ensures that even small text sizes remain clear and accessible without the harshness often found in absolute black backgrounds.
Is #1d3138 readable on white or black?
#1d3138 has a 13.56:1 contrast ratio on white and 1.54:1 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.