#173F9B Color

#173F9B is rgb(23, 63, 155) in RGB and hsl(222, 74%, 35%) in HSL. The closest CSS named color is DarkSlateBlue. White text is most readable on this background.

#173F9B

HEX#173F9B

RGBrgb(23, 63, 155)

HSLhsl(222, 74%, 35%)

HSVhsv(222, 85%, 61%)

OKLCHoklch(40.2% 0.157 263.3)

CMYKcmyk(85%, 59%, 0%, 39%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #173F9B background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text9.46:1AA normal ✓AA large ✓AAA normal ✓

TextBlack text2.22:1AA normal ✗AA large ✗AAA normal ✗

Color Harmonies

Colors that pair well with #173F9B based on color wheel relationships. Click any swatch for its full breakdown.

Base#173F9B Complementary#9B7417 Analogous#17819B Analogous#32179B Triadic#9B173F Triadic#3F9B17

Tints & Shades

Lighter tints and darker shades of #173F9B, useful for hover states, backgrounds, and text variants.

Tints

#1D4FC3 #2E64E0 #5681E6 #7E9FEC #A6BDF2 #CEDBF8

Shades

#15388A #112F73 #0F2762 #0B1F4B #09173A #050E23

Use #173F9B in Our Tools

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