#000FFF Hex Color

An intensely vivid and electric blue

Hex color #000fff graphic
This highly saturated, electric blue demands attention through sheer intensity. #000fff is too loud for large backgrounds, but it shines as a precise accent or call-to-action button. It pairs surprisingly well with muted oranges, creating a sharp contrast that pops. Because white text provides an 8.4:1 ratio against this hex code, it remains legible when used for UI elements.

Questions about #000fff

What is #000fff in RGB, HSL and CMYK?
In RGB, #000fff is rgb(0, 15, 255), in HSL hsl(236, 100%, 50%) and in CMYK 100%, 94%, 0%, 0%.
Where should I use #000fff in a user interface?
#000fff works best as a targeted accent color for primary action buttons or essential notification badges where you need immediate visual focus. Because of its extreme saturation, avoid using this as a background color for large text blocks or entire UI panels.
Is #000fff readable on white or black?
#000fff has a 8.35:1 contrast ratio on white and 2.51:1 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.