#18B5D8 Color

#18B5D8 is rgb(24, 181, 216) in RGB and hsl(191, 80%, 47%) in HSL. The closest CSS named color is DarkTurquoise. Black text is most readable on this background.

#18B5D8

HEX#18B5D8

RGBrgb(24, 181, 216)

HSLhsl(191, 80%, 47%)

HSVhsv(191, 89%, 85%)

OKLCHoklch(71.5% 0.126 218.9)

CMYKcmyk(89%, 16%, 0%, 15%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #18B5D8 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text2.43:1AA normal ✗AA large ✗AAA normal ✗

TextBlack text8.64:1AA normal ✓AA large ✓AAA normal ✓

Color Harmonies

Colors that pair well with #18B5D8 based on color wheel relationships. Click any swatch for its full breakdown.

Base#18B5D8 Complementary#D83B18 Analogous#18D89B Analogous#1855D8 Triadic#D818B5 Triadic#B5D818

Tints & Shades

Lighter tints and darker shades of #18B5D8, useful for hover states, backgrounds, and text variants.

Tints

#2CC5E8 #51CFEC #71D8EF #91E1F3 #B1EAF6 #D6F4FA

Shades

#159EBC #1286A1 #0F6F85 #0B5565 #083D49 #05262E

Use #18B5D8 in Our Tools

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