#B22222
Approximate name: 火砖红
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
火砖红
相对亮度
0.107
色相 H
0°
饱和度 S
68%
明度 L
42%
色值 V
70%
色温
暖色
明暗
深
彩度
高彩度
色系
红
Contrast on white: 6.68:1 (AA body Pass / AAA Fail)
Contrast on black: 3.14:1 (AA body Fail / AAA Fail)
Open full contrast tool →Color blindness simulator
Approximate appearance under common color-vision deficiencies (matrix simulation).
Normal vision
#b22222
红色盲 (Protanopia)
#747222
绿色盲 (Deuteranopia)
#7c8722
蓝色盲 (Tritanopia)
#ab2222
全色盲 (Achromatopsia)
#4d4d4d
Creative pairings
Hue-wheel harmonies and 10% shade/tint steps — not AI-generated copy.