#391BB1 Color
#391BB1 is rgb(57, 27, 177) in RGB and hsl(252, 74%, 40%) in HSL. The closest CSS named color is DarkSlateBlue. White text is most readable on this background.
#391BB1
HEX
#391BB1RGB
rgb(57, 27, 177)HSL
hsl(252, 74%, 40%)HSV
hsv(252, 85%, 69%)OKLCH
oklch(38.9% 0.213 279)CMYK
cmyk(68%, 85%, 0%, 31%)Text Contrast & Accessibility
WCAG contrast ratios for text on a #391BB1 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.
TextWhite text10.68:1AA normal ✓AA large ✓AAA normal ✓
TextBlack text1.97:1AA normal ✗AA large ✗AAA normal ✗
Color Harmonies
Colors that pair well with #391BB1 based on color wheel relationships. Click any swatch for its full breakdown.
Tints & Shades
Lighter tints and darker shades of #391BB1, useful for hover states, backgrounds, and text variants.