#1521D1 Color
#1521D1 is rgb(21, 33, 209) in RGB and hsl(236, 82%, 45%) in HSL. The closest CSS named color is MediumBlue. White text is most readable on this background.
#1521D1
HEX
#1521D1RGB
rgb(21, 33, 209)HSL
hsl(236, 82%, 45%)HSV
hsv(236, 90%, 82%)OKLCH
oklch(41.4% 0.253 266.4)CMYK
cmyk(90%, 84%, 0%, 18%)Text Contrast & Accessibility
WCAG contrast ratios for text on a #1521D1 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.
TextWhite text9.68:1AA normal ✓AA large ✓AAA normal ✓
TextBlack text2.17:1AA normal ✗AA large ✗AAA normal ✗
Color Harmonies
Colors that pair well with #1521D1 based on color wheel relationships. Click any swatch for its full breakdown.
Tints & Shades
Lighter tints and darker shades of #1521D1, useful for hover states, backgrounds, and text variants.