#666FF4

Q: What are the RGB, HSL, and CMYK values of #666FF4?

RGB(102, 111, 244), HSL(236.2, 86.6%, 67.8%), CMYK(58.2%, 54.5%, 0.0%, 4.3%).

Q: Does #666FF4 meet WCAG contrast on white?

4.08:1 — WCAG AA fail, AAA fail for normal text.

Overview

#666FF4 is a cool, light color. In RGB it is 102, 111, 244, in HSL 236.2°, 86.6%, 67.8%, and in CMYK 58.2%, 54.5%, 0.0%, 4.3%. The nearest named color is mediumslateblue.

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색상 값

HEX

#666FF4

RGB

102, 111, 244

HSL

236.2, 86.6%, 67.8%

HSV

236.2, 58.2%, 95.7%

CMYK

58.2%, 54.5%, 0.0%, 4.3%

OKLCH

0.6055 0.1962 275.9

속성

차가운 밝은 가장 가까운: mediumslateblue

색채 심리학

Light blues are universally associated with clear skies, serenity, and trustworthiness. They lower blood pressure and heart rate, making them the most psychologically calming chromatic colors. Baby blue in particular symbolizes gentleness, innocence, and reliable safety.

Design Usage

Soft blues are the most widely used background color in enterprise software, social media, and healthcare apps. They create a professional yet friendly atmosphere that encourages prolonged engagement. Use them for empty states, onboarding screens, and informational banners that should feel non-threatening.