#166BDA Color

#166BDA is rgb(22, 107, 218) in RGB and hsl(214, 82%, 47%) in HSL. The closest CSS named color is RoyalBlue. White text is most readable on this background.

#166BDA

HEX#166BDA

RGBrgb(22, 107, 218)

HSLhsl(214, 82%, 47%)

HSVhsv(214, 90%, 85%)

OKLCHoklch(54.6% 0.187 257.9)

CMYKcmyk(90%, 51%, 0%, 15%)

Text Contrast & Accessibility

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

TextWhite text5.06:1AA normal ✓AA large ✓AAA normal ✗

TextBlack text4.15:1AA normal ✗AA large ✓AAA normal ✗

Color Harmonies

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

Base#166BDA Complementary#DA8516 Analogous#16CDDA Analogous#2316DA Triadic#DA166B Triadic#6BDA16

Tints & Shades

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

Tints

#2A7DEA #4F94EE #6FA7F1 #90BBF4 #B0CFF7 #D5E6FB

Shades

#135DBE #104FA2 #0D4287 #0A3266 #07244A #05172E

Use #166BDA in Our Tools

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