#3666A1 Color

#3666A1 is rgb(54, 102, 161) in RGB and hsl(213, 50%, 42%) in HSL. The closest CSS named color is SteelBlue. White text is most readable on this background.

#3666A1

HEX#3666A1

RGBrgb(54, 102, 161)

HSLhsl(213, 50%, 42%)

HSVhsv(213, 66%, 63%)

OKLCHoklch(50.5% 0.108 254.7)

CMYKcmyk(66%, 37%, 0%, 37%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #3666A1 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text5.88:1AA normal ✓AA large ✓AAA normal ✗

TextBlack text3.57:1AA normal ✗AA large ✓AAA normal ✗

Color Harmonies

Colors that pair well with #3666A1 based on color wheel relationships. Click any swatch for its full breakdown.

Base#3666A1 Complementary#A17036 Analogous#369BA1 Analogous#3B36A1 Triadic#A13666 Triadic#66A136

Tints & Shades

Lighter tints and darker shades of #3666A1, useful for hover states, backgrounds, and text variants.

Tints

#4079BF #5E8FC9 #7DA4D4 #9CB9DE #BACFE8 #D9E4F2

Shades

#2F5A8E #284B77 #213F63 #19304D #132439 #0B1622

Use #3666A1 in Our Tools

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