#1B66DE Color

#1B66DE is rgb(27, 102, 222) in RGB and hsl(217, 78%, 49%) in HSL. The closest CSS named color is RoyalBlue. White text is most readable on this background.

#1B66DE

HEX#1B66DE

RGBrgb(27, 102, 222)

HSLhsl(217, 78%, 49%)

HSVhsv(217, 88%, 87%)

OKLCHoklch(53.9% 0.197 260.1)

CMYKcmyk(88%, 54%, 0%, 13%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #1B66DE background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text5.25:1AA normal ✓AA large ✓AAA normal ✗

TextBlack text4:1AA normal ✗AA large ✓AAA normal ✗

Color Harmonies

Colors that pair well with #1B66DE based on color wheel relationships. Click any swatch for its full breakdown.

Base#1B66DE Complementary#DE941B Analogous#1BC8DE Analogous#321BDE Triadic#DE1B66 Triadic#66DE1B

Tints & Shades

Lighter tints and darker shades of #1B66DE, useful for hover states, backgrounds, and text variants.

Tints

#377AE6 #578FEA #77A5EE #97BAF2 #B6CFF6 #D6E4FA

Shades

#185AC3 #144BA3 #113F88 #0D3068 #0A234D #06152D

Use #1B66DE in Our Tools

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