#3731A5 Color
#3731A5 is rgb(55, 49, 165) in RGB and hsl(243, 54%, 42%) in HSL. The closest CSS named color is DarkSlateBlue. White text is most readable on this background.
#3731A5
HEX
#3731A5RGB
rgb(55, 49, 165)HSL
hsl(243, 54%, 42%)HSV
hsv(243, 70%, 65%)OKLCH
oklch(40.2% 0.179 277)CMYK
cmyk(67%, 70%, 0%, 35%)Text Contrast & Accessibility
WCAG contrast ratios for text on a #3731A5 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.
TextWhite text9.79:1AA normal ✓AA large ✓AAA normal ✓
TextBlack text2.15:1AA normal ✗AA large ✗AAA normal ✗
Color Harmonies
Colors that pair well with #3731A5 based on color wheel relationships. Click any swatch for its full breakdown.
Tints & Shades
Lighter tints and darker shades of #3731A5, useful for hover states, backgrounds, and text variants.