#1566B7 Color
#1566B7 is rgb(21, 102, 183) in RGB and hsl(210, 79%, 40%) in HSL. The closest CSS named color is SteelBlue. White text is most readable on this background.
#1566B7
HEX
#1566B7RGB
rgb(21, 102, 183)HSL
hsl(210, 79%, 40%)HSV
hsv(210, 89%, 72%)OKLCH
oklch(50.9% 0.147 253.4)CMYK
cmyk(89%, 44%, 0%, 28%)Text Contrast & Accessibility
WCAG contrast ratios for text on a #1566B7 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.
TextWhite text5.81:1AA normal ✓AA large ✓AAA normal ✗
TextBlack text3.62:1AA normal ✗AA large ✓AAA normal ✗
Color Harmonies
Colors that pair well with #1566B7 based on color wheel relationships. Click any swatch for its full breakdown.
Tints & Shades
Lighter tints and darker shades of #1566B7, useful for hover states, backgrounds, and text variants.