#515B81 Color

#515B81 is rgb(81, 91, 129) in RGB and hsl(228, 23%, 41%) in HSL. The closest CSS named color is DarkSlateBlue. White text is most readable on this background.

#515B81

HEX#515B81

RGBrgb(81, 91, 129)

HSLhsl(228, 23%, 41%)

HSVhsv(228, 37%, 51%)

OKLCHoklch(47.9% 0.063 272.5)

CMYKcmyk(37%, 29%, 0%, 49%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #515B81 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text6.64:1AA normal ✓AA large ✓AAA normal ✗

TextBlack text3.16:1AA normal ✗AA large ✓AAA normal ✗

Color Harmonies

Colors that pair well with #515B81 based on color wheel relationships. Click any swatch for its full breakdown.

Base#515B81 Complementary#817751 Analogous#517281 Analogous#5F5181 Triadic#81515A Triadic#5A8151

Tints & Shades

Lighter tints and darker shades of #515B81, useful for hover states, backgrounds, and text variants.

Tints

#606C9A #7882AB #9199BA #ADB4CC #C7CBDC #E0E2EB

Shades

#474F71 #3B425E #31374E #272C3F #1D212F #12141C

Use #515B81 in Our Tools

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