#3F487D Color
#3F487D is rgb(63, 72, 125) in RGB and hsl(231, 33%, 37%) in HSL. The closest CSS named color is DarkSlateBlue. White text is most readable on this background.
#3F487D
HEX
#3F487DRGB
rgb(63, 72, 125)HSL
hsl(231, 33%, 37%)HSV
hsv(231, 50%, 49%)OKLCH
oklch(42% 0.089 274.7)CMYK
cmyk(50%, 42%, 0%, 51%)Text Contrast & Accessibility
WCAG contrast ratios for text on a #3F487D background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.
TextWhite text8.63:1AA normal ✓AA large ✓AAA normal ✓
TextBlack text2.43:1AA normal ✗AA large ✗AAA normal ✗
Color Harmonies
Colors that pair well with #3F487D based on color wheel relationships. Click any swatch for its full breakdown.
Tints & Shades
Lighter tints and darker shades of #3F487D, useful for hover states, backgrounds, and text variants.