#666BFF Color

#666BFF is rgb(102, 107, 255) in RGB and hsl(238, 100%, 70%) in HSL. The closest CSS named color is MediumSlateBlue. Black text is most readable on this background.

#666BFF

HEX#666BFF

RGBrgb(102, 107, 255)

HSLhsl(238, 100%, 70%)

HSVhsv(238, 60%, 100%)

OKLCHoklch(60.7% 0.215 276.4)

CMYKcmyk(60%, 58%, 0%, 0%)

Text Contrast & Accessibility

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

TextWhite text4.11:1AA normal ✗AA large ✓AAA normal ✗

TextBlack text5.11:1AA normal ✓AA large ✓AAA normal ✗

Color Harmonies

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

Base#666BFF Complementary#FFFA66 Analogous#66B8FF Analogous#AD66FF Triadic#FF666B Triadic#6BFF66

Tints & Shades

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

Tints

#7A7FFF #8F93FF #A3A6FF #B8BAFF #CCCEFF #E0E1FF

Shades

#383FFF #050DFF #0007D6 #0005A3 #000475 #000242

Use #666BFF in Our Tools

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