#166CE3 Color

#166CE3 is rgb(22, 108, 227) in RGB and hsl(215, 82%, 49%) in HSL. The closest CSS named color is RoyalBlue. White text is most readable on this background.

#166CE3

HEX#166CE3

RGBrgb(22, 108, 227)

HSLhsl(215, 82%, 49%)

HSVhsv(215, 90%, 89%)

OKLCHoklch(55.5% 0.197 258.7)

CMYKcmyk(90%, 52%, 0%, 11%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #166CE3 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 #166CE3 based on color wheel relationships. Click any swatch for its full breakdown.

Base#166CE3 Complementary#E38E16 Analogous#16D2E3 Analogous#2816E3 Triadic#E3166C Triadic#6CE316

Tints & Shades

Lighter tints and darker shades of #166CE3, useful for hover states, backgrounds, and text variants.

Tints

#337FEB #5394EE #74A8F1 #94BCF4 #B5D1F8 #D5E5FB

Shades

#145FC8 #114FA7 #0E428B #0B336B #08254F #05162E

Use #166CE3 in Our Tools

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