#51B8E1 Color

#51B8E1 is rgb(81, 184, 225) in RGB and hsl(197, 71%, 60%) in HSL. The closest CSS named color is MediumTurquoise. Black text is most readable on this background.

#51B8E1

HEX#51B8E1

RGBrgb(81, 184, 225)

HSLhsl(197, 71%, 60%)

HSVhsv(197, 64%, 88%)

OKLCHoklch(73.8% 0.111 227.5)

CMYKcmyk(64%, 18%, 0%, 12%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #51B8E1 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text2.26:1AA normal ✗AA large ✗AAA normal ✗

TextBlack text9.29:1AA normal ✓AA large ✓AAA normal ✓

Color Harmonies

Colors that pair well with #51B8E1 based on color wheel relationships. Click any swatch for its full breakdown.

Base#51B8E1 Complementary#E17A51 Analogous#51E1C2 Analogous#5170E1 Triadic#E151B8 Triadic#B8E151

Tints & Shades

Lighter tints and darker shades of #51B8E1, useful for hover states, backgrounds, and text variants.

Tints

#66C1E5 #81CCEA #96D5ED #B1DFF2 #C6E8F5 #E0F3FA

Shades

#2EAADC #2193C0 #1B789D #155D7A #0F4357 #092834

Use #51B8E1 in Our Tools

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