#3F3F8D Color
#3F3F8D is rgb(63, 63, 141) in RGB and hsl(240, 38%, 40%) in HSL. The closest CSS named color is DarkSlateBlue. White text is most readable on this background.
#3F3F8D
HEX
#3F3F8DRGB
rgb(63, 63, 141)HSL
hsl(240, 38%, 40%)HSV
hsv(240, 55%, 55%)OKLCH
oklch(41.2% 0.126 279.3)CMYK
cmyk(55%, 55%, 0%, 45%)Text Contrast & Accessibility
WCAG contrast ratios for text on a #3F3F8D background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.
TextWhite text9.1:1AA normal ✓AA large ✓AAA normal ✓
TextBlack text2.31:1AA normal ✗AA large ✗AAA normal ✗
Color Harmonies
Colors that pair well with #3F3F8D based on color wheel relationships. Click any swatch for its full breakdown.
Tints & Shades
Lighter tints and darker shades of #3F3F8D, useful for hover states, backgrounds, and text variants.