#1B3FC0 Color
#1B3FC0 is rgb(27, 63, 192) in RGB and hsl(227, 75%, 43%) in HSL. The closest CSS named color is RoyalBlue. White text is most readable on this background.
#1B3FC0
HEX
#1B3FC0RGB
rgb(27, 63, 192)HSL
hsl(227, 75%, 43%)HSV
hsv(227, 86%, 75%)OKLCH
oklch(43.8% 0.205 265.6)CMYK
cmyk(86%, 67%, 0%, 25%)Text Contrast & Accessibility
WCAG contrast ratios for text on a #1B3FC0 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.
TextWhite text8.34:1AA normal ✓AA large ✓AAA normal ✓
TextBlack text2.52:1AA normal ✗AA large ✗AAA normal ✗
Color Harmonies
Colors that pair well with #1B3FC0 based on color wheel relationships. Click any swatch for its full breakdown.
Tints & Shades
Lighter tints and darker shades of #1B3FC0, useful for hover states, backgrounds, and text variants.