#1F45DB Color
#1F45DB is rgb(31, 69, 219) in RGB and hsl(228, 75%, 49%) in HSL. The closest CSS named color is RoyalBlue. White text is most readable on this background.
#1F45DB
HEX
#1F45DBRGB
rgb(31, 69, 219)HSL
hsl(228, 75%, 49%)HSV
hsv(228, 86%, 86%)OKLCH
oklch(47.6% 0.23 265.8)CMYK
cmyk(86%, 68%, 0%, 14%)Text Contrast & Accessibility
WCAG contrast ratios for text on a #1F45DB background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.
TextWhite text7.16:1AA normal ✓AA large ✓AAA normal ✓
TextBlack text2.93:1AA normal ✗AA large ✗AAA normal ✗
Color Harmonies
Colors that pair well with #1F45DB based on color wheel relationships. Click any swatch for its full breakdown.
Tints & Shades
Lighter tints and darker shades of #1F45DB, useful for hover states, backgrounds, and text variants.