#166DDF Color

#166DDF is rgb(22, 109, 223) in RGB and hsl(214, 82%, 48%) in HSL. The closest CSS named color is RoyalBlue. White text is most readable on this background.

#166DDF

HEX#166DDF

RGBrgb(22, 109, 223)

HSLhsl(214, 82%, 48%)

HSVhsv(214, 90%, 87%)

OKLCHoklch(55.4% 0.191 258)

CMYKcmyk(90%, 51%, 0%, 13%)

Text Contrast & Accessibility

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

TextWhite text4.9:1AA normal ✓AA large ✓AAA normal ✗

TextBlack text4.29:1AA normal ✗AA large ✓AAA normal ✗

Color Harmonies

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

Base#166DDF Complementary#DF8816 Analogous#16D1DF Analogous#2316DF Triadic#DF166D Triadic#6DDF16

Tints & Shades

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

Tints

#2E80EA #4F94EE #6FA7F1 #94BEF4 #B5D2F8 #D5E6FB

Shades

#135FC3 #104FA2 #0D4287 #0B346B #08274F #05172E

Use #166DDF in Our Tools

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