RAL 7021 Black Grey
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//" 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/entity//
Add a dynamic SVG badge to your README or docs.
[](https://colorfyi.com/entity//)
Use the native HTML custom element.
#23282B
RAL color
RAL 7021 Black Grey (#23282B) is an extremely dark, near-black grey from the RAL Classic system — darker than Anthracite Grey with barely discernible grey character. This profound near-black is used in premium automotive finishes, architectural metalwork, and luxury product design where maximum darkness without pure black is specified.
Giá trị màu sắc
#23282B
35, 40, 43
202,5, 10,3%, 15,3%
202,5, 18,6%, 16,9%
18,6%, 7,0%, 0,0%, 83,1%
0,2731 0,0091 234,0
Thuộc tính
Tâm lý màu sắc
Dark blues like navy and midnight convey authority, intelligence, and unshakeable confidence. They are the color of police uniforms, corporate suits, and official documents worldwide. Navy blue inspires feelings of security and order, anchoring visual hierarchies with gravitas.
Design Usage
Dark blue is the premier choice for header backgrounds, navigation bars, and footer sections in corporate websites. It provides excellent contrast for white text and creates a sense of depth and professionalism. Pair it with bright accent colors like orange or lime for vibrant CTAs that pop against the authoritative background.
Hòa âm màu sắc
Mô phỏng mù màu
Sử dụng CSS
background-color: #23282B;
color: #23282B;
border-color: #23282B;
Zinc 800
#27272A
Sắc độ Tailwind
Kiểm tra tương phản
Văn bản trên nền trắng
14,9:1
Văn bản trên nền đen
1,41:1
So sánh với
Câu hỏi thường gặp
What are the RGB, HSL, and CMYK values of #23282B?
RGB(35, 40, 43) · HSL(202,5, 10,3%, 15,3%) · CMYK(18,6%, 7,0%, 0,0%, 83,1%)
Does #23282B meet WCAG contrast on white?
14,9:1 — WCAG AA Đạt, AAA Đạt for normal text.
What text color is readable on #23282B?
Use FFFFFF text on a #23282B background; contrast on black is 1,41:1.