#51878A Color

#51878A is rgb(81, 135, 138) in RGB and hsl(183, 26%, 43%) in HSL. The closest CSS named color is SlateGray. Black text is most readable on this background.

#51878A

HEX#51878A

RGBrgb(81, 135, 138)

HSLhsl(183, 26%, 43%)

HSVhsv(183, 41%, 54%)

OKLCHoklch(58.7% 0.058 200.3)

CMYKcmyk(41%, 2%, 0%, 46%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #51878A background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text4.05:1AA normal ✗AA large ✓AAA normal ✗

TextBlack text5.18:1AA normal ✓AA large ✓AAA normal ✗

Color Harmonies

Colors that pair well with #51878A based on color wheel relationships. Click any swatch for its full breakdown.

Base#51878A Complementary#8A5451 Analogous#518A71 Analogous#516B8A Triadic#8A5187 Triadic#878A51

Tints & Shades

Lighter tints and darker shades of #51878A, useful for hover states, backgrounds, and text variants.

Tints

#629FA3 #7BAFB2 #95BFC1 #ABCCCE #C5DCDD #DFEBEC

Shades

#467477 #3C6567 #315254 #284243 #1C2F30 #131F20

Use #51878A in Our Tools

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