#1B43BB Color

#1B43BB is rgb(27, 67, 187) in RGB and hsl(225, 75%, 42%) in HSL. The closest CSS named color is RoyalBlue. White text is most readable on this background.

#1B43BB

HEX#1B43BB

RGBrgb(27, 67, 187)

HSLhsl(225, 75%, 42%)

HSVhsv(225, 86%, 73%)

OKLCHoklch(44% 0.194 264.9)

CMYKcmyk(86%, 64%, 0%, 27%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #1B43BB background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text8.18:1AA normal ✓AA large ✓AAA normal ✓

TextBlack text2.57:1AA normal ✗AA large ✗AAA normal ✗

Color Harmonies

Colors that pair well with #1B43BB based on color wheel relationships. Click any swatch for its full breakdown.

Base#1B43BB Complementary#BB931B Analogous#1B93BB Analogous#431BBB Triadic#BB1B43 Triadic#43BB1B

Tints & Shades

Lighter tints and darker shades of #1B43BB, useful for hover states, backgrounds, and text variants.

Tints

#2050DF #446CE4 #6788E9 #8BA4EE #AFC0F4 #D2DCF9

Shades

#183BA5 #14318A #112974 #0D2059 #0A1843 #060E28

Use #1B43BB in Our Tools

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