#18B8CD Color

#18B8CD is rgb(24, 184, 205) in RGB and hsl(187, 79%, 45%) in HSL. The closest CSS named color is DarkTurquoise. Black text is most readable on this background.

#18B8CD

HEX#18B8CD

RGBrgb(24, 184, 205)

HSLhsl(187, 79%, 45%)

HSVhsv(187, 88%, 80%)

OKLCHoklch(71.8% 0.121 209.6)

CMYKcmyk(88%, 10%, 0%, 20%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #18B8CD background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text2.39:1AA normal ✗AA large ✗AAA normal ✗

TextBlack text8.78:1AA normal ✓AA large ✓AAA normal ✓

Color Harmonies

Colors that pair well with #18B8CD based on color wheel relationships. Click any swatch for its full breakdown.

Base#18B8CD Complementary#CD2D18 Analogous#18CD88 Analogous#185ECD Triadic#CD18B8 Triadic#B8CD18

Tints & Shades

Lighter tints and darker shades of #18B8CD, useful for hover states, backgrounds, and text variants.

Tints

#28D0E6 #48D7EA #6DDFEE #8DE6F2 #B1EEF6 #D1F5FA

Shades

#15A0B2 #128797 #0E6F7B #0C5A64 #094249 #05292E

Use #18B8CD in Our Tools

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