#51537B Color

#51537B is rgb(81, 83, 123) in RGB and hsl(237, 21%, 40%) in HSL. The closest CSS named color is DarkSlateBlue. White text is most readable on this background.

#51537B

HEX#51537B

RGBrgb(81, 83, 123)

HSLhsl(237, 21%, 40%)

HSVhsv(237, 34%, 48%)

OKLCHoklch(45.8% 0.065 281.3)

CMYKcmyk(34%, 33%, 0%, 52%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #51537B background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text7.31:1AA normal ✓AA large ✓AAA normal ✓

TextBlack text2.87:1AA normal ✗AA large ✗AAA normal ✗

Color Harmonies

Colors that pair well with #51537B based on color wheel relationships. Click any swatch for its full breakdown.

Base#51537B Complementary#7B7951 Analogous#51687B Analogous#64517B Triadic#7B5153 Triadic#537B51

Tints & Shades

Lighter tints and darker shades of #51537B, useful for hover states, backgrounds, and text variants.

Tints

#616394 #7A7DA8 #9395B8 #ACADC9 #C4C5D9 #E0E1EB

Shades

#47486C #3C3E5D #32344D #26273B #1C1D2B #12131C

Use #51537B in Our Tools

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