#66CEF9

#66CEF9

Color Values

HEX

#66CEF9

RGB

102, 206, 249

HSL

197.6, 92.5%, 68.8%

HSV

197.6, 59.0%, 97.6%

CMYK

59.0%, 17.3%, 0.0%, 2.4%

OKLCH

0.8059 0.1137 227.8

Properties

Color Psychology

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.

Color Harmonies

Color Blindness Simulation

CSS Usage

background-color: #66CEF9;
color: #66CEF9;
border-color: #66CEF9;
Nearest Tailwind: Sky 300 #7DD3FC

Tailwind Shades

Contrast Checker

Text on white

1.79:1

AA Fail AAA Fail

Text on black

11.76:1

AA Pass AAA Pass

Compare With

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Frequently Asked Questions

What are the RGB, HSL, and CMYK values of #66CEF9?

RGB(102, 206, 249) · HSL(197.6, 92.5%, 68.8%) · CMYK(59.0%, 17.3%, 0.0%, 2.4%)

Does #66CEF9 meet WCAG contrast on white?

1.79:1 — WCAG AA Fail, AAA Fail for normal text.

What text color is readable on #66CEF9?

Use 000000 text on a #66CEF9 background; contrast on black is 11.76:1.