#1B40BB Color

#1B40BB is rgb(27, 64, 187) in RGB and hsl(226, 75%, 42%) in HSL. The closest CSS named color is DarkSlateBlue. White text is most readable on this background.

#1B40BB

HEX#1B40BB

RGBrgb(27, 64, 187)

HSLhsl(226, 75%, 42%)

HSVhsv(226, 86%, 73%)

OKLCHoklch(43.5% 0.197 265.3)

CMYKcmyk(86%, 66%, 0%, 27%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #1B40BB background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text8.41:1AA normal ✓AA large ✓AAA normal ✓

TextBlack text2.5:1AA normal ✗AA large ✗AAA normal ✗

Color Harmonies

Colors that pair well with #1B40BB based on color wheel relationships. Click any swatch for its full breakdown.

Base#1B40BB Complementary#BB961B Analogous#1B91BB Analogous#461BBB Triadic#BB1B40 Triadic#40BB1B

Tints & Shades

Lighter tints and darker shades of #1B40BB, useful for hover states, backgrounds, and text variants.

Tints

#204CDF #4469E4 #6786E9 #8BA2EE #AFBFF4 #D2DBF9

Shades

#1839A5 #142F8A #112874 #0D1F59 #0A1743 #060E28

Use #1B40BB in Our Tools

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