#666FF5 Color

#666FF5 is rgb(102, 111, 245) in RGB and hsl(236, 88%, 68%) in HSL. The closest CSS named color is MediumSlateBlue. Black text is most readable on this background.

#666FF5

HEX#666FF5

RGBrgb(102, 111, 245)

HSLhsl(236, 88%, 68%)

HSVhsv(236, 58%, 96%)

OKLCHoklch(60.6% 0.197 275.9)

CMYKcmyk(58%, 55%, 0%, 4%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #666FF5 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text4.07:1AA normal ✗AA large ✓AAA normal ✗

TextBlack text5.16:1AA normal ✓AA large ✓AAA normal ✗

Color Harmonies

Colors that pair well with #666FF5 based on color wheel relationships. Click any swatch for its full breakdown.

Base#666FF5 Complementary#F5EC66 Analogous#66B7F5 Analogous#A466F5 Triadic#F5666F Triadic#6FF566

Tints & Shades

Lighter tints and darker shades of #666FF5, useful for hover states, backgrounds, and text variants.

Tints

#7981F6 #9198F8 #A4AAF9 #B7BCFA #CACEFC #E2E4FD

Shades

#3A47F2 #0F1EF0 #0D19C5 #091395 #070D69 #04083E

Use #666FF5 in Our Tools

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