#1B43B1 Color

#1B43B1 is rgb(27, 67, 177) in RGB and hsl(224, 74%, 40%) in HSL. The closest CSS named color is DarkSlateBlue. White text is most readable on this background.

#1B43B1

HEX#1B43B1

RGBrgb(27, 67, 177)

HSLhsl(224, 74%, 40%)

HSVhsv(224, 85%, 69%)

OKLCHoklch(43.1% 0.181 264.5)

CMYKcmyk(85%, 62%, 0%, 31%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #1B43B1 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text8.45:1AA normal ✓AA large ✓AAA normal ✓

TextBlack text2.48:1AA normal ✗AA large ✗AAA normal ✗

Color Harmonies

Colors that pair well with #1B43B1 based on color wheel relationships. Click any swatch for its full breakdown.

Base#1B43B1 Complementary#B1891B Analogous#1B8EB1 Analogous#3E1BB1 Triadic#B11B43 Triadic#43B11B

Tints & Shades

Lighter tints and darker shades of #1B43B1, useful for hover states, backgrounds, and text variants.

Tints

#2050D5 #406BE2 #6487E8 #87A2ED #ABBEF2 #D3DDF8

Shades

#173A9B #143285 #112A6F #0D2054 #09173E #060F28

Use #1B43B1 in Our Tools

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