#2187AB
Approximate name: 钢蓝
Technical formats
Color-space values for scientific work and cross-device comparison.
Practical formats
Ready to paste into CSS, Tailwind, iOS, Android, Flutter, and more.
Color analysis
Objective metrics: luminance, hue, saturation, temperature, and contrast.
近似色名
钢蓝
相对亮度
0.206
色相 H
196°
饱和度 S
68%
明度 L
40%
色值 V
67%
色温
冷色
明暗
深
彩度
高彩度
色系
青
Contrast on white: 4.10:1 (AA body Fail / AAA Fail)
Contrast on black: 5.12:1 (AA body Pass / AAA Fail)
Open full contrast tool →Color blindness simulator
Approximate appearance under common color-vision deficiencies (matrix simulation).
Normal vision
#2187ab
红色盲 (Protanopia)
#4d4ea2
绿色盲 (Deuteranopia)
#4740a0
蓝色盲 (Tritanopia)
#269b9a
全色盲 (Achromatopsia)
#6d6d6d
Creative pairings
Hue-wheel harmonies and 10% shade/tint steps — not AI-generated copy.