#218C9A

Q: What are the RGB, HSL, and CMYK values of #218C9A?

RGB(33, 140, 154), HSL(186.9, 64.7%, 36.7%), CMYK(78.6%, 9.1%, 0.0%, 39.6%).

Q: Does #218C9A meet WCAG contrast on white?

3.98:1 — WCAG AA fail, AAA fail for normal text.

Overview

#218C9A is a cool, light color. In RGB it is 33, 140, 154, in HSL 186.9°, 64.7%, 36.7%, and in CMYK 78.6%, 9.1%, 0.0%, 39.6%. The nearest named color is RAL 5018 Turquoise Blue.

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Color Values

HEX

#218C9A

RGB

33, 140, 154

HSL

186.9, 64.7%, 36.7%

HSV

186.9, 78.6%, 60.4%

CMYK

78.6%, 9.1%, 0.0%, 39.6%

OKLCH

0.5889 0.0932 208.3

Properties

Cool Light Nearest: RAL 5018 Turquoise Blue

Color Psychology

True cyan sits at the boundary of blue and green in the visible spectrum, projecting futurism, precision, and digital innovation. It is a primary color in CMYK printing and RGB displays, giving it a distinctly technological identity. Cyan suggests cutting-edge thinking and clear communication.

Design Usage

Medium cyan is a staple in tech branding, cloud computing services, and developer tools. It works well for interactive elements, link hover states, and data visualization highlights. Because cyan is highly saturated, use it as an accent rather than a dominant color to avoid visual strain.