#3B66E8 Color
#3B66E8 is rgb(59, 102, 232) in RGB and hsl(225, 79%, 57%) in HSL. The closest CSS named color is RoyalBlue. White text is most readable on this background.
#3B66E8
HEX
#3B66E8RGB
rgb(59, 102, 232)HSL
hsl(225, 79%, 57%)HSV
hsv(225, 75%, 91%)OKLCH
oklch(55.7% 0.203 266)CMYK
cmyk(75%, 56%, 0%, 9%)Text Contrast & Accessibility
WCAG contrast ratios for text on a #3B66E8 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.
TextWhite text4.94:1AA normal ✓AA large ✓AAA normal ✗
TextBlack text4.25:1AA normal ✗AA large ✓AAA normal ✗
Color Harmonies
Colors that pair well with #3B66E8 based on color wheel relationships. Click any swatch for its full breakdown.
Tints & Shades
Lighter tints and darker shades of #3B66E8, useful for hover states, backgrounds, and text variants.