#166BB1 Color

#166BB1 is rgb(22, 107, 177) in RGB and hsl(207, 78%, 39%) in HSL. The closest CSS named color is SteelBlue. White text is most readable on this background.

#166BB1

HEX#166BB1

RGBrgb(22, 107, 177)

HSLhsl(207, 78%, 39%)

HSVhsv(207, 88%, 69%)

OKLCHoklch(51.7% 0.134 249.4)

CMYKcmyk(88%, 40%, 0%, 31%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #166BB1 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text5.57:1AA normal ✓AA large ✓AAA normal ✗

TextBlack text3.77:1AA normal ✗AA large ✓AAA normal ✗

Color Harmonies

Colors that pair well with #166BB1 based on color wheel relationships. Click any swatch for its full breakdown.

Base#166BB1 Complementary#B15C16 Analogous#16B1A9 Analogous#161EB1 Triadic#B1166B Triadic#6BB116

Tints & Shades

Lighter tints and darker shades of #166BB1, useful for hover states, backgrounds, and text variants.

Tints

#1A81D5 #3798E6 #5CAAEB #84C0F0 #A9D2F4 #D2E7F9

Shades

#135D9A #105084 #0D426D #0B3456 #082640 #051929

Use #166BB1 in Our Tools

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