#1B4147

Q: What are the RGB, HSL, and CMYK values of #1B4147?

RGB(27, 65, 71), HSL(188.2, 44.9%, 19.2%), CMYK(62.0%, 8.5%, 0.0%, 72.2%).

Q: Does #1B4147 meet WCAG contrast on white?

11.09:1 — WCAG AA pass, AAA pass for normal text.

Overview

#1B4147 is a cool, dark color. In RGB it is 27, 65, 71, in HSL 188.2°, 44.9%, 19.2%, and in CMYK 62.0%, 8.5%, 0.0%, 72.2%. The nearest named color is RAL 6004 Blue Green.

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Color Values

HEX

#1B4147

RGB

27, 65, 71

HSL

188.2, 44.9%, 19.2%

HSV

188.2, 62.0%, 27.8%

CMYK

62.0%, 8.5%, 0.0%, 72.2%

OKLCH

0.3504 0.0441 209.1

Properties

Cool Dark Nearest: RAL 6004 Blue Green

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.