#421B9D Color

#421B9D is rgb(66, 27, 157) in RGB and hsl(258, 71%, 36%) in HSL. The closest CSS named color is DarkSlateBlue. White text is most readable on this background.

#421B9D

HEX#421B9D

RGBrgb(66, 27, 157)

HSLhsl(258, 71%, 36%)

HSVhsv(258, 83%, 62%)

OKLCHoklch(37.5% 0.189 286.7)

CMYKcmyk(58%, 83%, 0%, 38%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #421B9D background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text11.2:1AA normal ✓AA large ✓AAA normal ✓

TextBlack text1.88:1AA normal ✗AA large ✗AAA normal ✗

Color Harmonies

Colors that pair well with #421B9D based on color wheel relationships. Click any swatch for its full breakdown.

Base#421B9D Complementary#769D1B Analogous#1B359D Analogous#831B9D Triadic#9D421B Triadic#1B9D42

Tints & Shades

Lighter tints and darker shades of #421B9D, useful for hover states, backgrounds, and text variants.

Tints

#5221C4 #6836DD #865EE4 #A081EA #BEA8F0 #DBCFF7

Shades

#391787 #311476 #281060 #210D4E #180A39 #100727

Use #421B9D in Our Tools

Hex to RGB Hex to HSL Hex to CMYK Hex to Pantone RGBA to Hex