#5B66FB Color

#5B66FB is rgb(91, 102, 251) in RGB and hsl(236, 95%, 67%) in HSL. The closest CSS named color is MediumSlateBlue. Black text is most readable on this background.

#5B66FB

HEX#5B66FB

RGBrgb(91, 102, 251)

HSLhsl(236, 95%, 67%)

HSVhsv(236, 64%, 98%)

OKLCHoklch(58.8% 0.219 274.3)

CMYKcmyk(64%, 59%, 0%, 2%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #5B66FB background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text4.43:1AA normal ✗AA large ✓AAA normal ✗

TextBlack text4.74:1AA normal ✓AA large ✓AAA normal ✗

Color Harmonies

Colors that pair well with #5B66FB based on color wheel relationships. Click any swatch for its full breakdown.

Base#5B66FB Complementary#FBF05B Analogous#5BB6FB Analogous#A05BFB Triadic#FB5B66 Triadic#66FB5B

Tints & Shades

Lighter tints and darker shades of #5B66FB, useful for hover states, backgrounds, and text variants.

Tints

#6F78FB #888FFC #9CA2FC #B4B9FD #C8CCFE #E1E3FE

Shades

#2E3CFA #0616F4 #0512C7 #040E9A #030A6D #020641

Use #5B66FB in Our Tools

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