#21A5FD Color
#21A5FD is rgb(33, 165, 253) in RGB and hsl(204, 98%, 56%) in HSL. The closest CSS named color is DodgerBlue. Black text is most readable on this background.
#21A5FD
HEX
#21A5FDRGB
rgb(33, 165, 253)HSL
hsl(204, 98%, 56%)HSV
hsv(204, 87%, 99%)OKLCH
oklch(69.8% 0.167 245.1)CMYK
cmyk(87%, 35%, 0%, 1%)Text Contrast & Accessibility
WCAG contrast ratios for text on a #21A5FD background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.
TextWhite text2.67:1AA normal ✗AA large ✗AAA normal ✗
TextBlack text7.87:1AA normal ✓AA large ✓AAA normal ✓
Color Harmonies
Colors that pair well with #21A5FD based on color wheel relationships. Click any swatch for its full breakdown.
Tints & Shades
Lighter tints and darker shades of #21A5FD, useful for hover states, backgrounds, and text variants.