#666BCC Color

#666BCC is rgb(102, 107, 204) in RGB and hsl(237, 50%, 60%) in HSL. The closest CSS named color is SlateBlue. White text is most readable on this background.

#666BCC

HEX#666BCC

RGBrgb(102, 107, 204)

HSLhsl(237, 50%, 60%)

HSVhsv(237, 50%, 80%)

OKLCHoklch(57.1% 0.147 278.4)

CMYKcmyk(50%, 48%, 0%, 20%)

Text Contrast & Accessibility

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

TextWhite text4.63:1AA normal ✓AA large ✓AAA normal ✗

TextBlack text4.54:1AA normal ✓AA large ✓AAA normal ✗

Color Harmonies

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

Base#666BCC Complementary#CCC766 Analogous#669ECC Analogous#9466CC Triadic#CC666B Triadic#6BCC66

Tints & Shades

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

Tints

#797ED2 #9094DA #A3A6E0 #BABCE8 #CDCFEE #E4E5F6

Shades

#474EC2 #383EA8 #2E328A #24276B #191C4D #0F112E

Use #666BCC in Our Tools

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