#1B3BA1 Color

#1B3BA1 is rgb(27, 59, 161) in RGB and hsl(226, 71%, 37%) in HSL. The closest CSS named color is DarkSlateBlue. White text is most readable on this background.

#1B3BA1

HEX#1B3BA1

RGBrgb(27, 59, 161)

HSLhsl(226, 71%, 37%)

HSVhsv(226, 83%, 63%)

OKLCHoklch(40.1% 0.169 265.5)

CMYKcmyk(83%, 63%, 0%, 37%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #1B3BA1 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text9.6:1AA normal ✓AA large ✓AAA normal ✓

TextBlack text2.19:1AA normal ✗AA large ✗AAA normal ✗

Color Harmonies

Colors that pair well with #1B3BA1 based on color wheel relationships. Click any swatch for its full breakdown.

Base#1B3BA1 Complementary#A1821B Analogous#1B7EA1 Analogous#3F1BA1 Triadic#A11B3B Triadic#3BA11B

Tints & Shades

Lighter tints and darker shades of #1B3BA1, useful for hover states, backgrounds, and text variants.

Tints

#2249C9 #365DDD #5E7DE4 #859DEA #ACBCF1 #CFD8F7

Shades

#18338C #152C7A #112464 #0D1D4E #0A1539 #070E27

Use #1B3BA1 in Our Tools

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