#183D48 Hex Color
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Dark and heavily muted, #183d48 looks like cyan blended toward black, carrying a gray, ashy undertone. The hex code works best as a dominant base in dark mode UI and moody brand palettes, where white text reaches about 11.7:1 contrast. Pair it with warm coral or amber so large areas don’t turn flat.
Questions about #183d48
What is #183d48 in RGB, HSL and CMYK?
In RGB, #183d48 is rgb(24, 61, 72), in HSL hsl(194, 50%, 19%) and in CMYK 67%, 15%, 0%, 72%. Browse more shades of blue with names and hex codes.
What colors pair well with #183d48?
Warm accents like coral, amber, and burnt orange create the strongest pairings because they offset its cool, gray undertone. For neutrals, pale sand and off-white keep contrast high without turning the palette sterile.
Is #183d48 readable on white or black?
#183d48 has a 11.66:1 contrast ratio on white and 1.79:1 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.