#21636C
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/21636C/" 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/21636C/Add a dynamic SVG badge to your README or docs.
[](https://colorfyi.com/color/21636C/)Use the native HTML custom element.
#21636C
Overview
#21636C is a cool, dark color. In RGB it is 33, 99, 108, in HSL 187.2°, 53.2%, 27.6%, and in CMYK 69.4%, 8.3%, 0.0%, 57.6%. The nearest named color is RAL 5021 Water Blue.
On this page
ค่าสี
#21636C
33, 99, 108
187.2, 53.2%, 27.6%
187.2, 69.4%, 42.4%
69.4%, 8.3%, 0.0%, 57.6%
0.4625 0.0664 207.9
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: #21636C;
color: #21636C;
border-color: #21636C;
Cyan 800
#155E75
เฉดสี Tailwind
ตรวจสอบความเปรียบต่าง
ข้อความบนพื้นขาว
6.85:1
ข้อความบนพื้นดำ
3.07:1
เปรียบเทียบกับ
บทความที่เกี่ยวข้อง
คำถามที่พบบ่อย
What are the RGB, HSL, and CMYK values of #21636C?
RGB(33, 99, 108) · HSL(187.2, 53.2%, 27.6%) · CMYK(69.4%, 8.3%, 0.0%, 57.6%)
Does #21636C meet WCAG contrast on white?
6.85:1 — WCAG AA ผ่าน, AAA ไม่ผ่าน for normal text.
What text color is readable on #21636C?
Use FFFFFF text on a #21636C background; contrast on black is 3.07:1.