#166DCA Color

#166DCA is rgb(22, 109, 202) in RGB and hsl(211, 80%, 44%) in HSL. The closest CSS named color is RoyalBlue. White text is most readable on this background.

#166DCA

HEX#166DCA

RGBrgb(22, 109, 202)

HSLhsl(211, 80%, 44%)

HSVhsv(211, 89%, 79%)

OKLCHoklch(53.8% 0.164 254.7)

CMYKcmyk(89%, 46%, 0%, 21%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #166DCA 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 text4.07:1AA normal ✗AA large ✓AAA normal ✗

Color Harmonies

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

Base#166DCA Complementary#CA7316 Analogous#16C7CA Analogous#1916CA Triadic#CA166D Triadic#6DCA16

Tints & Shades

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

Tints

#2381E7 #4394EA #68A9EE #8CBEF2 #B1D2F6 #D1E5FA

Shades

#135EAE #115297 #0E437C #0B3460 #082545 #05192E

Use #166DCA in Our Tools

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