RAL 8022 Black Brown
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#212121
RAL color
Black Brown (#212121) is an extremely dark brown from the RAL Classic system that reads as near-black under most lighting conditions, with only the faintest warm brown undertone visible in strong light. Used in automotive finishes, industrial equipment, and architectural metalwork as a warmer alternative to jet black, it provides depth without the stark coolness of pure black. It is associated with luxury, authority, and high-end industrial design.
ค่าสี
#212121
33, 33, 33
0.0, 0.0%, 12.9%
0.0, 0.0%, 12.9%
0.0%, 0.0%, 0.0%, 87.1%
0.2478 0.0 89.9
คุณสมบัติ
จิตวิทยาสี
Dark grays and charcoals project authority, formality, and sophisticated restraint. They are the color of graphite, storm clouds, and evening suits, carrying weight without the absolute finality of black. These tones suggest seriousness and expertise tempered by subtle warmth.
Design Usage
Dark gray is the preferred text color over pure black for reducing eye strain on light backgrounds. It serves as the standard dark-mode surface color in Material Design and other major design systems. Pair it with a single vivid accent color for a minimal, high-impact visual hierarchy.
ความกลมกลืนของสี
การจำลองตาบอดสี
การใช้งาน CSS
background-color: #212121;
color: #212121;
border-color: #212121;
Neutral 800
#262626
เฉดสี Tailwind
ตรวจสอบความเปรียบต่าง
ข้อความบนพื้นขาว
16.1:1
ข้อความบนพื้นดำ
1.3:1
เปรียบเทียบกับ
แบรนด์ที่ใช้สีนี้
คำถามที่พบบ่อย
What are the RGB, HSL, and CMYK values of #212121?
RGB(33, 33, 33) · HSL(0.0, 0.0%, 12.9%) · CMYK(0.0%, 0.0%, 0.0%, 87.1%)
Does #212121 meet WCAG contrast on white?
16.1:1 — WCAG AA ผ่าน, AAA ผ่าน for normal text.
What text color is readable on #212121?
Use FFFFFF text on a #212121 background; contrast on black is 1.3:1.