#0B181C

Q: What are the RGB, HSL, and CMYK values of #0B181C?

RGB(11, 24, 28), HSL(194.1, 43.6%, 7.6%), CMYK(60.7%, 14.3%, 0.0%, 89.0%).

Q: Does #0B181C meet WCAG contrast on white?

18.08:1 — WCAG AA pass, AAA pass for normal text.

Overview

#0B181C is a cool, dark color. In RGB it is 11, 24, 28, in HSL 194.1°, 43.6%, 7.6%, and in CMYK 60.7%, 14.3%, 0.0%, 89.0%. The nearest named color is RAL 5004 Black Blue.

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Color Values

HEX

#0B181C

RGB

11, 24, 28

HSL

194.1, 43.6%, 7.6%

HSV

194.1, 60.7%, 11.0%

CMYK

60.7%, 14.3%, 0.0%, 89.0%

OKLCH

0.199 0.02 219.4

Properties

Cool Dark Nearest: RAL 5004 Black Blue

Color Psychology

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.