#1B58F3 Color

#1B58F3 is rgb(27, 88, 243) in RGB and hsl(223, 90%, 53%) in HSL. The closest CSS named color is RoyalBlue. White text is most readable on this background.

#1B58F3

HEX#1B58F3

RGBrgb(27, 88, 243)

HSLhsl(223, 90%, 53%)

HSVhsv(223, 89%, 95%)

OKLCHoklch(53.1% 0.239 263.7)

CMYKcmyk(89%, 64%, 0%, 5%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #1B58F3 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text5.62:1AA normal ✓AA large ✓AAA normal ✗

TextBlack text3.74:1AA normal ✗AA large ✓AAA normal ✗

Color Harmonies

Colors that pair well with #1B58F3 based on color wheel relationships. Click any swatch for its full breakdown.

Base#1B58F3 Complementary#F3B61B Analogous#1BC4F3 Analogous#4A1BF3 Triadic#F31B58 Triadic#58F31B

Tints & Shades

Lighter tints and darker shades of #1B58F3, useful for hover states, backgrounds, and text variants.

Tints

#386EF5 #5A86F6 #779CF8 #99B5FA #B6CAFB #D8E3FD

Shades

#0C48DF #0A3DBD #08329B #062779 #051C57 #031135

Use #1B58F3 in Our Tools

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