#6663BF Color

#6663BF is rgb(102, 99, 191) in RGB and hsl(242, 42%, 57%) in HSL. The closest CSS named color is SlateBlue. White text is most readable on this background.

#6663BF

HEX#6663BF

RGBrgb(102, 99, 191)

HSLhsl(242, 42%, 57%)

HSVhsv(242, 48%, 75%)

OKLCHoklch(54.7% 0.14 282.2)

CMYKcmyk(47%, 48%, 0%, 25%)

Text Contrast & Accessibility

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

TextWhite text5.12:1AA normal ✓AA large ✓AAA normal ✗

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

Color Harmonies

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

Base#6663BF Complementary#BCBF63 Analogous#638EBF Analogous#9463BF Triadic#BF6663 Triadic#63BF66

Tints & Shades

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

Tints

#7C79C8 #918FD1 #A6A4DA #B8B7E1 #CDCCEA #E3E2F3

Shades

#4C48B1 #413E98 #35327B #2A2862 #1D1C45 #13122B

Use #6663BF in Our Tools

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