#5B66B9 Color

#5B66B9 is rgb(91, 102, 185) in RGB and hsl(233, 40%, 54%) in HSL. The closest CSS named color is SlateBlue. White text is most readable on this background.

#5B66B9

HEX#5B66B9

RGBrgb(91, 102, 185)

HSLhsl(233, 40%, 54%)

HSVhsv(233, 51%, 73%)

OKLCHoklch(54.1% 0.129 275.5)

CMYKcmyk(51%, 45%, 0%, 27%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #5B66B9 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text5.19:1AA normal ✓AA large ✓AAA normal ✗

TextBlack text4.05:1AA normal ✗AA large ✓AAA normal ✗

Color Harmonies

Colors that pair well with #5B66B9 based on color wheel relationships. Click any swatch for its full breakdown.

Base#5B66B9 Complementary#B9AE5B Analogous#5B95B9 Analogous#7F5BB9 Triadic#B95B66 Triadic#66B95B

Tints & Shades

Lighter tints and darker shades of #5B66B9, useful for hover states, backgrounds, and text variants.

Tints

#707AC2 #8991CD #9FA5D6 #B4B9DF #C9CDE8 #E2E4F3

Shades

#4853A8 #3D478F #323A76 #262C59 #1C2040 #111327

Use #5B66B9 in Our Tools

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