#166EC5 Color

#166EC5 is rgb(22, 110, 197) in RGB and hsl(210, 80%, 43%) in HSL. The closest CSS named color is RoyalBlue. White text is most readable on this background.

#166EC5

HEX#166EC5

RGBrgb(22, 110, 197)

HSLhsl(210, 80%, 43%)

HSVhsv(210, 89%, 77%)

OKLCHoklch(53.7% 0.156 253.3)

CMYKcmyk(89%, 44%, 0%, 23%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #166EC5 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text5.16:1AA normal ✓AA large ✓AAA normal ✗

TextBlack text4.07:1AA normal ✗AA large ✓AAA normal ✗

Color Harmonies

Colors that pair well with #166EC5 based on color wheel relationships. Click any swatch for its full breakdown.

Base#166EC5 Complementary#C56E16 Analogous#16C5C5 Analogous#1616C5 Triadic#C5166E Triadic#6EC516

Tints & Shades

Lighter tints and darker shades of #166EC5, useful for hover states, backgrounds, and text variants.

Tints

#1E82E6 #4396EA #68ABEE #88BDF2 #ACD1F6 #D1E5FA

Shades

#135EAA #105293 #0D4277 #0B3660 #082645 #05192E

Use #166EC5 in Our Tools

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