#6666DD Hex Color
A bold and saturated electric indigo
#6666dd is a bold, saturated indigo that commands attention immediately. Designers should use this shade sparingly as a call-to-action button or UI accent rather than a full background. White text pops clearly against this color, meeting accessibility standards with a 4.7:1 contrast ratio. If you are learning how to make gray, consider how desaturating this hex code changes its intensity in your palette.
Questions about #6666dd
What is #6666dd in RGB, HSL and CMYK?
In RGB, #6666dd is rgb(102, 102, 221), in HSL hsl(240, 64%, 63%) and in CMYK 54%, 54%, 0%, 13%.
How should I use #6666dd in my user interface design?
Use #6666dd as a high-contrast accent or primary call-to-action button rather than a background color. Its high saturation makes it visually loud, so pairing it with neutral white or light gray text ensures it remains readable and accessible.
What colors pair well with #6666dd?
Is #6666dd readable on white or black?
#6666dd has a 4.65:1 contrast ratio on white and 4.50:1 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.