#1D66BF Color
#1D66BF is rgb(29, 102, 191) in RGB and hsl(213, 74%, 43%) in HSL. The closest CSS named color is RoyalBlue. White text is most readable on this background.
#1D66BF
HEX
#1D66BFRGB
rgb(29, 102, 191)HSL
hsl(213, 74%, 43%)HSV
hsv(213, 85%, 75%)OKLCH
oklch(51.7% 0.156 256.2)CMYK
cmyk(85%, 47%, 0%, 25%)Text Contrast & Accessibility
WCAG contrast ratios for text on a #1D66BF background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.
TextWhite text5.67:1AA normal ✓AA large ✓AAA normal ✗
TextBlack text3.71:1AA normal ✗AA large ✓AAA normal ✗
Color Harmonies
Colors that pair well with #1D66BF based on color wheel relationships. Click any swatch for its full breakdown.
Tints & Shades
Lighter tints and darker shades of #1D66BF, useful for hover states, backgrounds, and text variants.