#6663BB Color

#6663BB is rgb(102, 99, 187) in RGB and hsl(242, 39%, 56%) in HSL. The closest CSS named color is SlateBlue. White text is most readable on this background.

#6663BB

HEX#6663BB

RGBrgb(102, 99, 187)

HSLhsl(242, 39%, 56%)

HSVhsv(242, 47%, 73%)

OKLCHoklch(54.5% 0.134 282.5)

CMYKcmyk(45%, 47%, 0%, 27%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #6663BB background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

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

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

Color Harmonies

Colors that pair well with #6663BB based on color wheel relationships. Click any swatch for its full breakdown.

Base#6663BB Complementary#B8BB63 Analogous#638CBB Analogous#9263BB Triadic#BB6663 Triadic#63BB66

Tints & Shades

Lighter tints and darker shades of #6663BB, useful for hover states, backgrounds, and text variants.

Tints

#7B78C4 #908ECD #A5A3D7 #B9B8E0 #CECDE9 #E3E3F3

Shades

#4F4CAE #424091 #373579 #2A285C #1F1E43 #121127

Use #6663BB in Our Tools

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