#365C66 Hex Color
Online color picker to view shades, tints, color codes, and complementary colors
#365c66 is a dark cyan pulled down by a strong gray cast. Its low saturation keeps things moody and serious, which suits dark mode interfaces, tech branding, and aerospace palettes. Treat it as a dominant base rather than an accent, and warm it up with coral or soft cream so it doesn’t read flat. White text sits comfortably on top at about 7.3:1 contrast, well past the WCAG AA threshold for body copy. The hex code #365c66 works when you want depth without the weight of navy.
Questions about #365c66
What is #365c66 in RGB, HSL and CMYK?
In RGB, #365c66 is rgb(54, 92, 102), in HSL hsl(193, 31%, 31%) and in CMYK 47%, 10%, 0%, 60%.
What colors pair well with #365c66?
Warm accents do the most work here. Try terracotta or coral for contrast, or soft cream for a calmer palette. Avoid neighboring blues, which flatten its gray undertone.
Is #365c66 readable on white or black?
#365c66 has a 7.29:1 contrast ratio on white and 2.87:1 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.