#1F3998 Color
#1F3998 is rgb(31, 57, 152) in RGB and hsl(227, 66%, 36%) in HSL. The closest CSS named color is DarkSlateBlue. White text is most readable on this background.
#1F3998
HEX
#1F3998RGB
rgb(31, 57, 152)HSL
hsl(227, 66%, 36%)HSV
hsv(227, 80%, 60%)OKLCH
oklch(39% 0.158 266.8)CMYK
cmyk(80%, 63%, 0%, 40%)Text Contrast & Accessibility
WCAG contrast ratios for text on a #1F3998 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.
TextWhite text10.01:1AA normal ✓AA large ✓AAA normal ✓
TextBlack text2.1:1AA normal ✗AA large ✗AAA normal ✗
Color Harmonies
Colors that pair well with #1F3998 based on color wheel relationships. Click any swatch for its full breakdown.
Tints & Shades
Lighter tints and darker shades of #1F3998, useful for hover states, backgrounds, and text variants.