#666BF4 Color

#666BF4 is rgb(102, 107, 244) in RGB and hsl(238, 87%, 68%) in HSL. The closest CSS named color is MediumSlateBlue. Black text is most readable on this background.

#666BF4

HEX#666BF4

RGBrgb(102, 107, 244)

HSLhsl(238, 87%, 68%)

HSVhsv(238, 58%, 96%)

OKLCHoklch(59.8% 0.201 276.9)

CMYKcmyk(58%, 56%, 0%, 4%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #666BF4 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text4.22:1AA normal ✗AA large ✓AAA normal ✗

TextBlack text4.97:1AA normal ✓AA large ✓AAA normal ✗

Color Harmonies

Colors that pair well with #666BF4 based on color wheel relationships. Click any swatch for its full breakdown.

Base#666BF4 Complementary#F4F066 Analogous#66B2F4 Analogous#A966F4 Triadic#F4666B Triadic#6BF466

Tints & Shades

Lighter tints and darker shades of #666BF4, useful for hover states, backgrounds, and text variants.

Tints

#797EF6 #9195F7 #A4A7F9 #B7BAFA #CBCCFB #E2E3FD

Shades

#3B42F1 #1118EE #0E14C4 #0A0F94 #070B69 #04063E

Use #666BF4 in Our Tools

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