#455A64 Hex Color
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This muted, slate-blue shade feels serious and grounded. Its dusty quality provides a professional, understated base for financial or tech-focused UI designs. While white text stands out clearly against its dark surface, the color can appear slightly flat if used without brighter accent tones. The hex code for this moody blue is #455a64, a reliable choice for backgrounds requiring a sense of control and stability.
Questions about #455a64
What is #455a64 in RGB, HSL and CMYK?
In RGB, #455a64 is rgb(69, 90, 100), in HSL hsl(199, 18%, 33%) and in CMYK 31%, 10%, 0%, 61%.
What works best as an accent color for #455a64?
Because #455a64 is a muted, desaturated slate, it functions best when paired with high-contrast, warmer tones to break the monotony. Try adding a pop of mustard or burnt orange to create visual interest and prevent the design from feeling too flat or overly cold.
Is #455a64 readable on white or black?
#455a64 has a 7.24:1 contrast ratio on white and 2.89:1 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.