RAL 5011 Steel Blue
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#231A24
RAL color
RAL 5011 Steel Blue (#231A24) is an extremely dark, near-black blue from the RAL Classic system with a subtle warm undertone — almost indistinguishable from black in many conditions. This near-black is used in high-end architectural metalwork, industrial machinery, and premium consumer products as a warm-dark specification with greater depth than pure navy.
ค่าสี
#231A24
35, 26, 36
294.0, 16.1%, 12.2%
294.0, 27.8%, 14.1%
2.8%, 27.8%, 0.0%, 85.9%
0.2331 0.0231 323.0
คุณสมบัติ
จิตวิทยาสี
Dark magentas convey intensity, sensuality, and sophisticated allure. They combine the depth of purple with the energy of red, creating a rich emotional impact. These hues feel dramatic and confident, suggesting artistic mastery and creative depth.
Design Usage
Dark magentas add drama and sophistication to event branding and entertainment platforms. They work well in gradient transitions from dark to vibrant for immersive hero sections. Pair with dark backgrounds and bright accents for theatrical, high-contrast compositions.
ความกลมกลืนของสี
การจำลองตาบอดสี
การใช้งาน CSS
background-color: #231A24;
color: #231A24;
border-color: #231A24;
Zinc 900
#18181B
เฉดสี Tailwind
ตรวจสอบความเปรียบต่าง
ข้อความบนพื้นขาว
16.87:1
ข้อความบนพื้นดำ
1.24:1
เปรียบเทียบกับ
คำถามที่พบบ่อย
What are the RGB, HSL, and CMYK values of #231A24?
RGB(35, 26, 36) · HSL(294.0, 16.1%, 12.2%) · CMYK(2.8%, 27.8%, 0.0%, 85.9%)
Does #231A24 meet WCAG contrast on white?
16.87:1 — WCAG AA ผ่าน, AAA ผ่าน for normal text.
What text color is readable on #231A24?
Use FFFFFF text on a #231A24 background; contrast on black is 1.24:1.