#1F37A3 Color
#1F37A3 is rgb(31, 55, 163) in RGB and hsl(229, 68%, 38%) in HSL. The closest CSS named color is DarkSlateBlue. White text is most readable on this background.
#1F37A3
HEX
#1F37A3RGB
rgb(31, 55, 163)HSL
hsl(229, 68%, 38%)HSV
hsv(229, 81%, 64%)OKLCH
oklch(39.7% 0.176 267.4)CMYK
cmyk(81%, 66%, 0%, 36%)Text Contrast & Accessibility
WCAG contrast ratios for text on a #1F37A3 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.
TextWhite text9.84:1AA normal ✓AA large ✓AAA normal ✓
TextBlack text2.13:1AA normal ✗AA large ✗AAA normal ✗
Color Harmonies
Colors that pair well with #1F37A3 based on color wheel relationships. Click any swatch for its full breakdown.
Tints & Shades
Lighter tints and darker shades of #1F37A3, useful for hover states, backgrounds, and text variants.