#21566E Color
#21566E is rgb(33, 86, 110) in RGB and hsl(199, 54%, 28%) in HSL. The closest CSS named color is DarkSlateGray. White text is most readable on this background.
#21566E
HEX
#21566ERGB
rgb(33, 86, 110)HSL
hsl(199, 54%, 28%)HSV
hsv(199, 70%, 43%)OKLCH
oklch(42.9% 0.068 231)CMYK
cmyk(70%, 22%, 0%, 57%)Text Contrast & Accessibility
WCAG contrast ratios for text on a #21566E background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.
TextWhite text8.01:1AA normal ✓AA large ✓AAA normal ✓
TextBlack text2.62:1AA normal ✗AA large ✗AAA normal ✗
Color Harmonies
Colors that pair well with #21566E based on color wheel relationships. Click any swatch for its full breakdown.
Tints & Shades
Lighter tints and darker shades of #21566E, useful for hover states, backgrounds, and text variants.