#181F21

Q: What are the RGB, HSL, and CMYK values of #181F21?

RGB(24, 31, 33), HSL(193,3, 15,8%, 11,2%), CMYK(27,3%, 6,1%, 0,0%, 87,1%).

Q: Does #181F21 meet WCAG contrast on white?

16,71:1 — WCAG AA pass, AAA pass for normal text.

Overview

#181F21 is a cool, dark color. In RGB it is 24, 31, 33, in HSL 193.3°, 15.8%, 11.2%, and in CMYK 27.3%, 6.1%, 0.0%, 87.1%. The nearest named color is RAL 9017 Traffic Black.

On this page

قيم الألوان

HEX

#181F21

RGB

24, 31, 33

HSL

193,3, 15,8%, 11,2%

HSV

193,3, 27,3%, 12,9%

CMYK

27,3%, 6,1%, 0,0%, 87,1%

OKLCH

0,2332 0,0109 216,9

الخصائص

بارد داكن الأقرب: RAL 9017 Traffic Black

علم نفس الألوان

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.