#51878B

Q: What are the RGB, HSL, and CMYK values of #51878B?

RGB(81, 135, 139), HSL(184.1, 26.4%, 43.1%), CMYK(41.7%, 2.9%, 0.0%, 45.5%).

Q: Does #51878B meet WCAG contrast on white?

4.05:1 — WCAG AA fail, AAA fail for normal text.

Overview

#51878B is a cool, light color. In RGB it is 81, 135, 139, in HSL 184.1°, 26.4%, 43.1%, and in CMYK 41.7%, 2.9%, 0.0%, 45.5%. The nearest named color is cadetblue 4.

On this page

Color Values

HEX

#51878B

RGB

81, 135, 139

HSL

184.1, 26.4%, 43.1%

HSV

184.1, 41.7%, 54.5%

CMYK

41.7%, 2.9%, 0.0%, 45.5%

OKLCH

0.5875 0.0577 201.8

Properties

Cool Light Nearest: cadetblue 4

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.