#288F9D

Q: What are the RGB, HSL, and CMYK values of #288F9D?

RGB(40, 143, 157), HSL(187.2, 59.4%, 38.6%), CMYK(74.5%, 8.9%, 0.0%, 38.4%).

Q: Does #288F9D meet WCAG contrast on white?

3.81:1 — WCAG AA fail, AAA fail for normal text.

Overview

#288F9D is a cool, light color. In RGB it is 40, 143, 157, in HSL 187.2°, 59.4%, 38.6%, and in CMYK 74.5%, 8.9%, 0.0%, 38.4%. The nearest named color is RAL 5018 Turquoise Blue.

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Color Values

HEX

#288F9D

RGB

40, 143, 157

HSL

187.2, 59.4%, 38.6%

HSV

187.2, 74.5%, 61.6%

CMYK

74.5%, 8.9%, 0.0%, 38.4%

OKLCH

0.5993 0.0922 208.4

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.