#2563E9 Color
#2563E9 is rgb(37, 99, 233) in RGB and hsl(221, 82%, 53%) in HSL. The closest CSS named color is RoyalBlue. White text is most readable on this background.
#2563E9
HEX
#2563E9RGB
rgb(37, 99, 233)HSL
hsl(221, 82%, 53%)HSV
hsv(221, 84%, 91%)OKLCH
oklch(54.4% 0.213 262.8)CMYK
cmyk(84%, 58%, 0%, 9%)Text Contrast & Accessibility
WCAG contrast ratios for text on a #2563E9 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.
TextWhite text5.2:1AA normal ✓AA large ✓AAA normal ✗
TextBlack text4.04:1AA normal ✗AA large ✓AAA normal ✗
Color Harmonies
Colors that pair well with #2563E9 based on color wheel relationships. Click any swatch for its full breakdown.
Tints & Shades
Lighter tints and darker shades of #2563E9, useful for hover states, backgrounds, and text variants.