#172221

Q: What are the RGB, HSL, and CMYK values of #172221?

RGB(23, 34, 33), HSL(174.5, 19.3%, 11.2%), CMYK(32.4%, 0.0%, 2.9%, 86.7%).

Q: Does #172221 meet WCAG contrast on white?

16.31:1 — WCAG AA pass, AAA pass for normal text.

Overview

#172221 is a cool, dark color. In RGB it is 23, 34, 33, in HSL 174.5°, 19.3%, 11.2%, and in CMYK 32.4%, 0.0%, 2.9%, 86.7%. The nearest named color is NCS S 9000-N Near Black.

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カラー値

HEX

#172221

RGB

23, 34, 33

HSL

174.5, 19.3%, 11.2%

HSV

174.5, 32.4%, 13.3%

CMYK

32.4%, 0.0%, 2.9%, 86.7%

OKLCH

0.2411 0.0156 189.2

プロパティ

寒色暗い最も近い： NCS S 9000-N Near Black

色彩心理学

Dark cyans and deep aquas convey depth, reliability, and technical mastery. They carry the trustworthiness of blue with a modern, slightly warmer edge from their green component. These tones suggest specialized expertise and sophisticated engineering.

Design Usage

Dark cyan works for cybersecurity brands, developer platforms, and data infrastructure companies. It creates striking dark-mode accents and terminal-style interfaces that feel technical yet approachable. Pair it with lighter cyan highlights and neutral grays for a layered, depth-rich design system.