#3F4278 Color
#3F4278 is rgb(63, 66, 120) in RGB and hsl(237, 31%, 36%) in HSL. The closest CSS named color is DarkSlateBlue. White text is most readable on this background.
#3F4278
HEX
#3F4278RGB
rgb(63, 66, 120)HSL
hsl(237, 31%, 36%)HSV
hsv(237, 48%, 47%)OKLCH
oklch(40.4% 0.09 279.2)CMYK
cmyk(48%, 45%, 0%, 53%)Text Contrast & Accessibility
WCAG contrast ratios for text on a #3F4278 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.
TextWhite text9.28:1AA normal ✓AA large ✓AAA normal ✓
TextBlack text2.26:1AA normal ✗AA large ✗AAA normal ✗
Color Harmonies
Colors that pair well with #3F4278 based on color wheel relationships. Click any swatch for its full breakdown.
Tints & Shades
Lighter tints and darker shades of #3F4278, useful for hover states, backgrounds, and text variants.