#665BA4 Color

#665BA4 is rgb(102, 91, 164) in RGB and hsl(249, 29%, 50%) in HSL. The closest CSS named color is SlateBlue. White text is most readable on this background.

#665BA4

HEX#665BA4

RGBrgb(102, 91, 164)

HSLhsl(249, 29%, 50%)

HSVhsv(249, 45%, 64%)

OKLCHoklch(51.5% 0.113 288.7)

CMYKcmyk(38%, 45%, 0%, 36%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #665BA4 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text5.84:1AA normal ✓AA large ✓AAA normal ✗

TextBlack text3.6:1AA normal ✗AA large ✓AAA normal ✗

Color Harmonies

Colors that pair well with #665BA4 based on color wheel relationships. Click any swatch for its full breakdown.

Base#665BA4 Complementary#99A45B Analogous#5B74A4 Analogous#8B5BA4 Triadic#A4665B Triadic#5BA466

Tints & Shades

Lighter tints and darker shades of #665BA4, useful for hover states, backgrounds, and text variants.

Tints

#7B72B1 #9189BE #A6A0CA #B8B3D5 #CECAE2 #E3E1EF

Shades

#574E8D #4B437A #3D3663 #312B4F #231F38 #161424

Use #665BA4 in Our Tools

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