#303B39

Q: What are the RGB, HSL, and CMYK values of #303B39?

RGB(48, 59, 57), HSL(169.1, 10.3%, 21.0%), CMYK(18.6%, 0.0%, 3.4%, 76.9%).

Q: Does #303B39 meet WCAG contrast on white?

11.6:1 — WCAG AA pass, AAA pass for normal text.

Overview

#303B39 is a cool, dark color. In RGB it is 48, 59, 57, in HSL 169.1°, 10.3%, 21.0%, and in CMYK 18.6%, 0.0%, 3.4%, 76.9%. The nearest named color is RAL 6012 Black Green.

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カラー値

HEX

#303B39

RGB

48, 59, 57

HSL

169.1, 10.3%, 21.0%

HSV

169.1, 18.6%, 23.1%

CMYK

18.6%, 0.0%, 3.4%, 76.9%

OKLCH

0.3416 0.015 183.2

プロパティ

寒色暗い最も近い： RAL 6012 Black Green

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.