#666AC7 Color

#666AC7 is rgb(102, 106, 199) in RGB and hsl(238, 46%, 59%) in HSL. The closest CSS named color is SlateBlue. White text is most readable on this background.

#666AC7

HEX#666AC7

RGBrgb(102, 106, 199)

HSLhsl(238, 46%, 59%)

HSVhsv(238, 49%, 78%)

OKLCHoklch(56.6% 0.141 279)

CMYKcmyk(49%, 47%, 0%, 22%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #666AC7 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text4.72:1AA normal ✓AA large ✓AAA normal ✗

TextBlack text4.45:1AA normal ✗AA large ✓AAA normal ✗

Color Harmonies

Colors that pair well with #666AC7 based on color wheel relationships. Click any swatch for its full breakdown.

Base#666AC7 Complementary#C7C366 Analogous#669AC7 Analogous#9366C7 Triadic#C7666A Triadic#6AC766

Tints & Shades

Lighter tints and darker shades of #666AC7, useful for hover states, backgrounds, and text variants.

Tints

#7D7FCF #8F92D6 #A6A8DE #B8BAE5 #CFD0ED #E1E2F4

Shades

#494CBC #3B3FA0 #303382 #272968 #1C1D4A #11112D

Use #666AC7 in Our Tools

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