#166BC5 Color

#166BC5 is rgb(22, 107, 197) in RGB and hsl(211, 80%, 43%) in HSL. The closest CSS named color is RoyalBlue. White text is most readable on this background.

#166BC5

HEX#166BC5

RGBrgb(22, 107, 197)

HSLhsl(211, 80%, 43%)

HSVhsv(211, 89%, 77%)

OKLCHoklch(53.1% 0.16 254.5)

CMYKcmyk(89%, 46%, 0%, 23%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #166BC5 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text5.33:1AA normal ✓AA large ✓AAA normal ✗

TextBlack text3.94:1AA normal ✗AA large ✓AAA normal ✗

Color Harmonies

Colors that pair well with #166BC5 based on color wheel relationships. Click any swatch for its full breakdown.

Base#166BC5 Complementary#C57116 Analogous#16C2C5 Analogous#1916C5 Triadic#C5166B Triadic#6BC516

Tints & Shades

Lighter tints and darker shades of #166BC5, useful for hover states, backgrounds, and text variants.

Tints

#1E7FE6 #4394EA #68A9EE #88BBF2 #ACD0F6 #D1E5FA

Shades

#135CAA #104F93 #0D4177 #0B3460 #082545 #05192E

Use #166BC5 in Our Tools

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