#166FE3 Color

#166FE3 is rgb(22, 111, 227) in RGB and hsl(214, 82%, 49%) in HSL. The closest CSS named color is RoyalBlue. White text is most readable on this background.

#166FE3

HEX#166FE3

RGBrgb(22, 111, 227)

HSLhsl(214, 82%, 49%)

HSVhsv(214, 90%, 89%)

OKLCHoklch(56.1% 0.194 257.9)

CMYKcmyk(90%, 51%, 0%, 11%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #166FE3 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text4.75:1AA normal ✓AA large ✓AAA normal ✗

TextBlack text4.42:1AA normal ✗AA large ✓AAA normal ✗

Color Harmonies

Colors that pair well with #166FE3 based on color wheel relationships. Click any swatch for its full breakdown.

Base#166FE3 Complementary#E38B16 Analogous#16D6E3 Analogous#2416E3 Triadic#E3166F Triadic#6FE316

Tints & Shades

Lighter tints and darker shades of #166FE3, useful for hover states, backgrounds, and text variants.

Tints

#3383EB #5396EE #74AAF1 #94BEF4 #B5D2F8 #D5E6FB

Shades

#1462C8 #1152A7 #0E448B #0B346B #08274F #05172E

Use #166FE3 in Our Tools

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