#646DB4 Color

#646DB4 is rgb(100, 109, 180) in RGB and hsl(233, 35%, 55%) in HSL. The closest CSS named color is SlateBlue. White text is most readable on this background.

#646DB4

HEX#646DB4

RGBrgb(100, 109, 180)

HSLhsl(233, 35%, 55%)

HSVhsv(233, 44%, 71%)

OKLCHoklch(55.9% 0.11 276.7)

CMYKcmyk(44%, 39%, 0%, 29%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #646DB4 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text4.79:1AA normal ✓AA large ✓AAA normal ✗

TextBlack text4.39:1AA normal ✗AA large ✓AAA normal ✗

Color Harmonies

Colors that pair well with #646DB4 based on color wheel relationships. Click any swatch for its full breakdown.

Base#646DB4 Complementary#B4AB64 Analogous#6496B4 Analogous#8364B4 Triadic#B4646D Triadic#6DB464

Tints & Shades

Lighter tints and darker shades of #646DB4, useful for hover states, backgrounds, and text variants.

Tints

#7981BE #8D94C8 #A2A8D2 #BABEDE #CFD2E8 #E3E5F2

Shades

#505AA5 #424B8A #373E72 #2B315A #1F2341 #121526

Use #646DB4 in Our Tools

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