#3F31A5 Color
#3F31A5 is rgb(63, 49, 165) in RGB and hsl(247, 54%, 42%) in HSL. The closest CSS named color is DarkSlateBlue. White text is most readable on this background.
#3F31A5
HEX
#3F31A5RGB
rgb(63, 49, 165)HSL
hsl(247, 54%, 42%)HSV
hsv(247, 70%, 65%)OKLCH
oklch(40.8% 0.177 280.6)CMYK
cmyk(62%, 70%, 0%, 35%)Text Contrast & Accessibility
WCAG contrast ratios for text on a #3F31A5 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.
TextWhite text9.57:1AA normal ✓AA large ✓AAA normal ✓
TextBlack text2.19:1AA normal ✗AA large ✗AAA normal ✗
Color Harmonies
Colors that pair well with #3F31A5 based on color wheel relationships. Click any swatch for its full breakdown.
Tints & Shades
Lighter tints and darker shades of #3F31A5, useful for hover states, backgrounds, and text variants.