#166EB1 Color

#166EB1 is rgb(22, 110, 177) in RGB and hsl(206, 78%, 39%) in HSL. The closest CSS named color is SteelBlue. White text is most readable on this background.

#166EB1

HEX#166EB1

RGBrgb(22, 110, 177)

HSLhsl(206, 78%, 39%)

HSVhsv(206, 88%, 69%)

OKLCHoklch(52.4% 0.131 247.8)

CMYKcmyk(88%, 38%, 0%, 31%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #166EB1 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text5.39:1AA normal ✓AA large ✓AAA normal ✗

TextBlack text3.9:1AA normal ✗AA large ✓AAA normal ✗

Color Harmonies

Colors that pair well with #166EB1 based on color wheel relationships. Click any swatch for its full breakdown.

Base#166EB1 Complementary#B15916 Analogous#16B1A7 Analogous#1620B1 Triadic#B1166E Triadic#6EB116

Tints & Shades

Lighter tints and darker shades of #166EB1, useful for hover states, backgrounds, and text variants.

Tints

#1A84D5 #379AE6 #5CADEB #84C1F0 #A9D4F4 #D2E8F9

Shades

#13609A #105284 #0D446D #0B3556 #082740 #051929

Use #166EB1 in Our Tools

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