#1F45B7 Color
#1F45B7 is rgb(31, 69, 183) in RGB and hsl(225, 71%, 42%) in HSL. The closest CSS named color is DarkSlateBlue. White text is most readable on this background.
#1F45B7
HEX
#1F45B7RGB
rgb(31, 69, 183)HSL
hsl(225, 71%, 42%)HSV
hsv(225, 83%, 72%)OKLCH
oklch(44.2% 0.185 265.1)CMYK
cmyk(83%, 62%, 0%, 28%)Text Contrast & Accessibility
WCAG contrast ratios for text on a #1F45B7 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.
TextWhite text8.1:1AA normal ✓AA large ✓AAA normal ✓
TextBlack text2.59:1AA normal ✗AA large ✗AAA normal ✗
Color Harmonies
Colors that pair well with #1F45B7 based on color wheel relationships. Click any swatch for its full breakdown.
Tints & Shades
Lighter tints and darker shades of #1F45B7, useful for hover states, backgrounds, and text variants.