#283F43
Embed This Widget
Add the script tag and a data attribute to embed this widget.
Embed via iframe for maximum compatibility.
<iframe src="https://colorfyi.com/iframe/entity/283F43/" width="420" height="400" frameborder="0" style="border:0;border-radius:10px;max-width:100%" loading="lazy"></iframe>Paste this URL in WordPress, Medium, or any oEmbed-compatible platform.
https://colorfyi.com/color/283F43/Add a dynamic SVG badge to your README or docs.
[](https://colorfyi.com/color/283F43/)Use the native HTML custom element.
#283F43
Overview
#283F43 is a cool, dark color. In RGB it is 40, 63, 67, in HSL 188.9°, 25.2%, 21.0%, and in CMYK 40.3%, 6.0%, 0.0%, 73.7%. The nearest named color is RAL 6004 Blue Green.
On this page
ค่าสี
#283F43
40, 63, 67
188.9, 25.2%, 21.0%
188.9, 40.3%, 26.3%
40.3%, 6.0%, 0.0%, 73.7%
0.3504 0.0295 209.5
คุณสมบัติ
จิตวิทยาสี
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.
ความกลมกลืนของสี
การจำลองตาบอดสี
การใช้งาน CSS
background-color: #283F43;
color: #283F43;
border-color: #283F43;
Neutral 700
#404040
เฉดสี Tailwind
ตรวจสอบความเปรียบต่าง
ข้อความบนพื้นขาว
11.16:1
ข้อความบนพื้นดำ
1.88:1
เปรียบเทียบกับ
บทความที่เกี่ยวข้อง
คำถามที่พบบ่อย
What are the RGB, HSL, and CMYK values of #283F43?
RGB(40, 63, 67) · HSL(188.9, 25.2%, 21.0%) · CMYK(40.3%, 6.0%, 0.0%, 73.7%)
Does #283F43 meet WCAG contrast on white?
11.16:1 — WCAG AA ผ่าน, AAA ผ่าน for normal text.
What text color is readable on #283F43?
Use FFFFFF text on a #283F43 background; contrast on black is 1.88:1.