#173FB5 Color

#173FB5 is rgb(23, 63, 181) in RGB and hsl(225, 77%, 40%) in HSL. The closest CSS named color is DarkSlateBlue. White text is most readable on this background.

#173FB5

HEX#173FB5

RGBrgb(23, 63, 181)

HSLhsl(225, 77%, 40%)

HSVhsv(225, 87%, 71%)

OKLCHoklch(42.6% 0.191 264.6)

CMYKcmyk(87%, 65%, 0%, 29%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #173FB5 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text8.7:1AA normal ✓AA large ✓AAA normal ✓

TextBlack text2.41:1AA normal ✗AA large ✗AAA normal ✗

Color Harmonies

Colors that pair well with #173FB5 based on color wheel relationships. Click any swatch for its full breakdown.

Base#173FB5 Complementary#B58D17 Analogous#178DB5 Analogous#3F17B5 Triadic#B5173F Triadic#3FB517

Tints & Shades

Lighter tints and darker shades of #173FB5, useful for hover states, backgrounds, and text variants.

Tints

#1C4BD9 #3D67E6 #6183EA #85A0EF #A9BCF4 #D2DCF9

Shades

#15379E #122F87 #0F2771 #0B1E56 #08163F #050E29

Use #173FB5 in Our Tools

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