#1B31AC Color

#1B31AC is rgb(27, 49, 172) in RGB and hsl(231, 73%, 39%) in HSL. The closest CSS named color is DarkSlateBlue. White text is most readable on this background.

#1B31AC

HEX#1B31AC

RGBrgb(27, 49, 172)

HSLhsl(231, 73%, 39%)

HSVhsv(231, 84%, 67%)

OKLCHoklch(39.4% 0.195 267.3)

CMYKcmyk(84%, 72%, 0%, 33%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #1B31AC background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text10.09:1AA normal ✓AA large ✓AAA normal ✓

TextBlack text2.08:1AA normal ✗AA large ✗AAA normal ✗

Color Harmonies

Colors that pair well with #1B31AC based on color wheel relationships. Click any swatch for its full breakdown.

Base#1B31AC Complementary#AC961B Analogous#1B79AC Analogous#4E1BAC Triadic#AC1B31 Triadic#31AC1B

Tints & Shades

Lighter tints and darker shades of #1B31AC, useful for hover states, backgrounds, and text variants.

Tints

#203BCF #3D55E1 #6074E6 #8897EC #ABB6F2 #D3D8F8

Shades

#172A96 #142480 #111E6A #0D1854 #0A113E #060B28

Use #1B31AC in Our Tools

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