#665DFC Hex Color

Online color picker to view shades, tints, color codes, and complementary colors

Hex color #665dfc graphic
This intense, saturated indigo commands attention with its electric energy. It is too overpowering for large backgrounds, so use the hex code #665dfc as a sharp accent color for calls to action or UI highlights. It pairs well with crisp charcoal grays for a modern tech aesthetic. Because it offers high contrast with white text, it remains readable even at small sizes.

Questions about #665dfc

What is #665dfc in RGB, HSL and CMYK?
In RGB, #665dfc is rgb(102, 93, 252), in HSL hsl(243, 96%, 68%) and in CMYK 60%, 63%, 0%, 1%.
How should I use #665dfc in interface design?
Use #665dfc primarily as a targeted accent color rather than a background shade to maintain visual comfort. It creates high-impact contrast against neutral charcoal or stark white backgrounds, making it perfect for primary buttons, notification badges, or interactive UI highlights.
Is #665dfc readable on white or black?
#665dfc has a 4.62:1 contrast ratio on white and 4.53:1 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 works for body text. Try other pairs in the contrast checker.