#666C8A Color

#666C8A is rgb(102, 108, 138) in RGB and hsl(230, 15%, 47%) in HSL. The closest CSS named color is SlateGray. White text is most readable on this background.

#666C8A

HEX#666C8A

RGBrgb(102, 108, 138)

HSLhsl(230, 15%, 47%)

HSVhsv(230, 26%, 54%)

OKLCHoklch(53.8% 0.048 275.9)

CMYKcmyk(26%, 22%, 0%, 46%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #666C8A background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text5.15:1AA normal ✓AA large ✓AAA normal ✗

TextBlack text4.08:1AA normal ✗AA large ✓AAA normal ✗

Color Harmonies

Colors that pair well with #666C8A based on color wheel relationships. Click any swatch for its full breakdown.

Base#666C8A Complementary#8A8466 Analogous#667E8A Analogous#72668A Triadic#8A666C Triadic#6C8A66

Tints & Shades

Lighter tints and darker shades of #666C8A, useful for hover states, backgrounds, and text variants.

Tints

#787E9B #9094AD #A4A8BC #B9BCCB #CDCFDA #E5E6EB

Shades

#595E78 #4C5067 #3F4355 #303241 #23252F #16171D

Use #666C8A in Our Tools

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