#1B3D9D Color

#1B3D9D is rgb(27, 61, 157) in RGB and hsl(224, 71%, 36%) in HSL. The closest CSS named color is DarkSlateBlue. White text is most readable on this background.

#1B3D9D

HEX#1B3D9D

RGBrgb(27, 61, 157)

HSLhsl(224, 71%, 36%)

HSVhsv(224, 83%, 62%)

OKLCHoklch(40.1% 0.161 264.9)

CMYKcmyk(83%, 61%, 0%, 38%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #1B3D9D background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text9.54:1AA normal ✓AA large ✓AAA normal ✓

TextBlack text2.2:1AA normal ✗AA large ✗AAA normal ✗

Color Harmonies

Colors that pair well with #1B3D9D based on color wheel relationships. Click any swatch for its full breakdown.

Base#1B3D9D Complementary#9D7A1B Analogous#1B7F9D Analogous#391B9D Triadic#9D1B3D Triadic#3D9D1B

Tints & Shades

Lighter tints and darker shades of #1B3D9D, useful for hover states, backgrounds, and text variants.

Tints

#214DC4 #3663DD #5E81E4 #819DEA #A8BBF0 #CFDAF7

Shades

#173587 #142E76 #102660 #0D1F4E #0A1639 #070F27

Use #1B3D9D in Our Tools

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