#3F508D Color
#3F508D is rgb(63, 80, 141) in RGB and hsl(227, 38%, 40%) in HSL. The closest CSS named color is DarkSlateBlue. White text is most readable on this background.
#3F508D
HEX
#3F508DRGB
rgb(63, 80, 141)HSL
hsl(227, 38%, 40%)HSV
hsv(227, 55%, 55%)OKLCH
oklch(44.8% 0.102 270.1)CMYK
cmyk(55%, 43%, 0%, 45%)Text Contrast & Accessibility
WCAG contrast ratios for text on a #3F508D background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.
TextWhite text7.65:1AA normal ✓AA large ✓AAA normal ✓
TextBlack text2.74:1AA normal ✗AA large ✗AAA normal ✗
Color Harmonies
Colors that pair well with #3F508D based on color wheel relationships. Click any swatch for its full breakdown.
Tints & Shades
Lighter tints and darker shades of #3F508D, useful for hover states, backgrounds, and text variants.