#3F5478 Color
#3F5478 is rgb(63, 84, 120) in RGB and hsl(218, 31%, 36%) in HSL. The closest CSS named color is DarkSlateBlue. White text is most readable on this background.
#3F5478
HEX
#3F5478RGB
rgb(63, 84, 120)HSL
hsl(218, 31%, 36%)HSV
hsv(218, 48%, 47%)OKLCH
oklch(44.5% 0.065 260.9)CMYK
cmyk(48%, 30%, 0%, 53%)Text Contrast & Accessibility
WCAG contrast ratios for text on a #3F5478 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.
TextWhite text7.63:1AA normal ✓AA large ✓AAA normal ✓
TextBlack text2.75:1AA normal ✗AA large ✗AAA normal ✗
Color Harmonies
Colors that pair well with #3F5478 based on color wheel relationships. Click any swatch for its full breakdown.
Tints & Shades
Lighter tints and darker shades of #3F5478, useful for hover states, backgrounds, and text variants.