#3F66F3 Color

#3F66F3 is rgb(63, 102, 243) in RGB and hsl(227, 88%, 60%) in HSL. The closest CSS named color is RoyalBlue. White text is most readable on this background.

#3F66F3
HEX#3F66F3
RGBrgb(63, 102, 243)
HSLhsl(227, 88%, 60%)
HSVhsv(227, 74%, 95%)
OKLCHoklch(56.7% 0.216 267.2)
CMYKcmyk(74%, 58%, 0%, 5%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #3F66F3 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text4.77:1AA normal ✓AA large ✓AAA normal ✗
TextBlack text4.41:1AA normal ✗AA large ✓AAA normal ✗

Color Harmonies

Colors that pair well with #3F66F3 based on color wheel relationships. Click any swatch for its full breakdown.

Base#3F66F3Complementary#F3CC3FAnalogous#3FC0F3Analogous#723FF3Triadic#F33F66Triadic#66F33F

Tints & Shades

Lighter tints and darker shades of #3F66F3, useful for hover states, backgrounds, and text variants.

Use #3F66F3 in Our Tools

Hex to RGBHex to HSLHex to CMYKHex to PantoneRGBA to Hex