#3F21A1 Color

#3F21A1 is rgb(63, 33, 161) in RGB and hsl(254, 66%, 38%) in HSL. The closest CSS named color is DarkSlateBlue. White text is most readable on this background.

#3F21A1

HEX#3F21A1

RGBrgb(63, 33, 161)

HSLhsl(254, 66%, 38%)

HSVhsv(254, 80%, 63%)

OKLCHoklch(38.3% 0.189 283.7)

CMYKcmyk(61%, 80%, 0%, 37%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #3F21A1 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text10.81:1AA normal ✓AA large ✓AAA normal ✓

TextBlack text1.94:1AA normal ✗AA large ✗AAA normal ✗

Color Harmonies

Colors that pair well with #3F21A1 based on color wheel relationships. Click any swatch for its full breakdown.

Base#3F21A1 Complementary#83A121 Analogous#2143A1 Analogous#7F21A1 Triadic#A13F21 Triadic#21A13F

Tints & Shades

Lighter tints and darker shades of #3F21A1, useful for hover states, backgrounds, and text variants.

Tints

#4E29C7 #6441D8 #8367E0 #9E88E7 #BDAFEF #D9D0F5

Shades

#371D8C #2E1877 #261461 #1F1050 #170C3B #0F0826

Use #3F21A1 in Our Tools

Hex to RGB Hex to HSL Hex to CMYK Hex to Pantone RGBA to Hex