The sea looks dark blue at night.

海洋在晚上看上去是深蓝色的。

Dark blue indicates areas cooler than average.

深蓝色表示气温低于平均温度的地区。

Students look smart in dark blue.

学生们穿深蓝色看起来很精神。

You don't wear argyle with dark blue. I had on dark blue socks and an argyle suit.

你不能用多色菱形花纹来配暗蓝色，可我穿着暗蓝色的袜子和多色菱形花纹的套装。

Instead, it turned blue. Dark blue, almost navy blue.

相反，它变成了蓝色。深蓝色，几乎是海军蓝。

This is my favourite dark blue pen. Great!

这是我最喜欢的深蓝色钢笔。太好了！

Light or dark, light or dark, light or dark blue?

浅蓝色还是深蓝色？

You want contrast like white letters on a dark blue background.

你需要有像白色文字在深蓝色背景下的反差。

Stains, dirt, and scrapes are less visible on dark blue fabric.

污渍、污垢和刮痕在深蓝色织物上不太明显。

The shirt is white and it has some dark blue letters.

衬衫是白色的，上面有一些深蓝色的字母。