#646BB4 Color

#646BB4 is rgb(100, 107, 180) in RGB and hsl(235, 35%, 55%) in HSL. The closest CSS named color is SlateBlue. White text is most readable on this background.

#646BB4

HEX#646BB4

RGBrgb(100, 107, 180)

HSLhsl(235, 35%, 55%)

HSVhsv(235, 44%, 71%)

OKLCHoklch(55.5% 0.113 277.9)

CMYKcmyk(44%, 41%, 0%, 29%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #646BB4 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text4.88:1AA normal ✓AA large ✓AAA normal ✗

TextBlack text4.3:1AA normal ✗AA large ✓AAA normal ✗

Color Harmonies

Colors that pair well with #646BB4 based on color wheel relationships. Click any swatch for its full breakdown.

Base#646BB4 Complementary#B4AE64 Analogous#6493B4 Analogous#8664B4 Triadic#B4646B Triadic#6BB464

Tints & Shades

Lighter tints and darker shades of #646BB4, useful for hover states, backgrounds, and text variants.

Tints

#797FBE #8D92C8 #A2A6D2 #BABDDE #CFD1E8 #E3E5F2

Shades

#5057A5 #42488A #373C72 #2B2F5A #1F2241 #121426

Use #646BB4 in Our Tools

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