#1B66AC Color

#1B66AC is rgb(27, 102, 172) in RGB and hsl(209, 73%, 39%) in HSL. The closest CSS named color is SteelBlue. White text is most readable on this background.

#1B66AC

HEX#1B66AC

RGBrgb(27, 102, 172)

HSLhsl(209, 73%, 39%)

HSVhsv(209, 84%, 67%)

OKLCHoklch(50.3% 0.132 251.3)

CMYKcmyk(84%, 41%, 0%, 33%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #1B66AC background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text5.93:1AA normal ✓AA large ✓AAA normal ✗

TextBlack text3.54:1AA normal ✗AA large ✓AAA normal ✗

Color Harmonies

Colors that pair well with #1B66AC based on color wheel relationships. Click any swatch for its full breakdown.

Base#1B66AC Complementary#AC611B Analogous#1BACAA Analogous#1B1DAC Triadic#AC1B66 Triadic#66AC1B

Tints & Shades

Lighter tints and darker shades of #1B66AC, useful for hover states, backgrounds, and text variants.

Tints

#207BCF #3D92E1 #60A5E6 #88BCEC #ABD0F2 #D3E6F8

Shades

#175996 #144C80 #113F6A #0D3254 #0A253E #061828

Use #1B66AC in Our Tools

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