#3F00BD Color

#3F00BD is rgb(63, 0, 189) in RGB and hsl(260, 100%, 37%) in HSL. The closest CSS named color is Indigo. White text is most readable on this background.

#3F00BD
HEX#3F00BD
RGBrgb(63, 0, 189)
HSLhsl(260, 100%, 37%)
HSVhsv(260, 100%, 74%)
OKLCHoklch(39.2% 0.236 280.9)
CMYKcmyk(67%, 100%, 0%, 26%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #3F00BD background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text10.79:1AA normal ✓AA large ✓AAA normal ✓
TextBlack text1.95:1AA normal ✗AA large ✗AAA normal ✗

Color Harmonies

Colors that pair well with #3F00BD based on color wheel relationships. Click any swatch for its full breakdown.

Base#3F00BDComplementary#7EBD00Analogous#001FBDAnalogous#9D00BDTriadic#BD3F00Triadic#00BD3F

Tints & Shades

Lighter tints and darker shades of #3F00BD, useful for hover states, backgrounds, and text variants.

Use #3F00BD in Our Tools

Hex to RGBHex to HSLHex to CMYKHex to PantoneRGBA to Hex