#1B5BFE Color

#1B5BFE is rgb(27, 91, 254) in RGB and hsl(223, 99%, 55%) in HSL. The closest CSS named color is RoyalBlue. White text is most readable on this background.

#1B5BFE

HEX#1B5BFE

RGBrgb(27, 91, 254)

HSLhsl(223, 99%, 55%)

HSVhsv(223, 89%, 100%)

OKLCHoklch(54.6% 0.249 263.7)

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

Text Contrast & Accessibility

WCAG contrast ratios for text on a #1B5BFE background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text5.28:1AA normal ✓AA large ✓AAA normal ✗

TextBlack text3.97:1AA normal ✗AA large ✓AAA normal ✗

Color Harmonies

Colors that pair well with #1B5BFE based on color wheel relationships. Click any swatch for its full breakdown.

Base#1B5BFE Complementary#FEBD1B Analogous#1BCDFE Analogous#4C1BFE Triadic#FE1B5B Triadic#5BFE1B

Tints & Shades

Lighter tints and darker shades of #1B5BFE, useful for hover states, backgrounds, and text variants.

Tints

#3971FE #5887FE #769DFE #9AB6FE #B8CCFF #D6E2FF

Shades

#0146F4 #013ACB #0130A7 #012684 #001C60 #001038

Use #1B5BFE in Our Tools

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