#3F5688 Color
#3F5688 is rgb(63, 86, 136) in RGB and hsl(221, 37%, 39%) in HSL. The closest CSS named color is DarkSlateBlue. White text is most readable on this background.
#3F5688
HEX
#3F5688RGB
rgb(63, 86, 136)HSL
hsl(221, 37%, 39%)HSV
hsv(221, 54%, 53%)OKLCH
oklch(45.8% 0.087 264.5)CMYK
cmyk(54%, 37%, 0%, 47%)Text Contrast & Accessibility
WCAG contrast ratios for text on a #3F5688 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.
TextWhite text7.25:1AA normal ✓AA large ✓AAA normal ✓
TextBlack text2.9:1AA normal ✗AA large ✗AAA normal ✗
Color Harmonies
Colors that pair well with #3F5688 based on color wheel relationships. Click any swatch for its full breakdown.
Tints & Shades
Lighter tints and darker shades of #3F5688, useful for hover states, backgrounds, and text variants.