#1B66B1 Color

#1B66B1 is rgb(27, 102, 177) in RGB and hsl(210, 74%, 40%) in HSL. The closest CSS named color is SteelBlue. White text is most readable on this background.

#1B66B1

HEX#1B66B1

RGBrgb(27, 102, 177)

HSLhsl(210, 74%, 40%)

HSVhsv(210, 85%, 69%)

OKLCHoklch(50.6% 0.138 252.7)

CMYKcmyk(85%, 42%, 0%, 31%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #1B66B1 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text5.86:1AA normal ✓AA large ✓AAA normal ✗

TextBlack text3.58:1AA normal ✗AA large ✓AAA normal ✗

Color Harmonies

Colors that pair well with #1B66B1 based on color wheel relationships. Click any swatch for its full breakdown.

Base#1B66B1 Complementary#B1661B Analogous#1BB1B1 Analogous#1B1BB1 Triadic#B11B66 Triadic#66B11B

Tints & Shades

Lighter tints and darker shades of #1B66B1, useful for hover states, backgrounds, and text variants.

Tints

#207AD5 #4091E2 #64A6E8 #87BAED #ABCFF2 #D3E5F8

Shades

#17599B #144C85 #11406F #0D3054 #09243E #061728

Use #1B66B1 in Our Tools

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