#42378B Color

#42378B is rgb(66, 55, 139) in RGB and hsl(248, 43%, 38%) in HSL. The closest CSS named color is DarkSlateBlue. White text is most readable on this background.

#42378B

HEX#42378B

RGBrgb(66, 55, 139)

HSLhsl(248, 43%, 38%)

HSVhsv(248, 60%, 55%)

OKLCHoklch(39.8% 0.134 284.5)

CMYKcmyk(53%, 60%, 0%, 45%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #42378B background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text9.76:1AA normal ✓AA large ✓AAA normal ✓

TextBlack text2.15:1AA normal ✗AA large ✗AAA normal ✗

Color Harmonies

Colors that pair well with #42378B based on color wheel relationships. Click any swatch for its full breakdown.

Base#42378B Complementary#7F8B37 Analogous#37568B Analogous#6C378B Triadic#8B4237 Triadic#378B42

Tints & Shades

Lighter tints and darker shades of #42378B, useful for hover states, backgrounds, and text variants.

Tints

#5244AB #685BBE #867CCB #A199D6 #BFBAE3 #DAD7EF

Shades

#3A3078 #312966 #282154 #211C45 #181433 #100D21

Use #42378B in Our Tools

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