#1B5BDA Color

#1B5BDA is rgb(27, 91, 218) in RGB and hsl(220, 78%, 48%) in HSL. The closest CSS named color is RoyalBlue. White text is most readable on this background.

#1B5BDA

HEX#1B5BDA

RGBrgb(27, 91, 218)

HSLhsl(220, 78%, 48%)

HSVhsv(220, 88%, 85%)

OKLCHoklch(51.4% 0.205 262.1)

CMYKcmyk(88%, 58%, 0%, 15%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #1B5BDA background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text5.91:1AA normal ✓AA large ✓AAA normal ✗

TextBlack text3.56:1AA normal ✗AA large ✓AAA normal ✗

Color Harmonies

Colors that pair well with #1B5BDA based on color wheel relationships. Click any swatch for its full breakdown.

Base#1B5BDA Complementary#DA9A1B Analogous#1BBADA Analogous#3B1BDA Triadic#DA1B5B Triadic#5BDA1B

Tints & Shades

Lighter tints and darker shades of #1B5BDA, useful for hover states, backgrounds, and text variants.

Tints

#336EE6 #5385EA #729BEE #97B5F2 #B6CCF6 #D6E2FA

Shades

#184FBF #14429F #103784 #0D2B68 #0A204D #06132D

Use #1B5BDA in Our Tools

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