What is the difference between cobalt blue and slate grey?+
The main difference between Cobalt Blue and Slate Grey is brightness and saturation: both are blue shades, but Slate Grey is lighter and Cobalt Blue is more saturated. Cobalt Blue (#0047AB) has an HSL of 215°, 100%, 34%, whereas Slate Grey (#708090) sits at 210°, 13%, 50%.
Is cobalt blue darker than slate grey?+
Yes. Cobalt Blue is darker, with a lightness of 34% in HSL compared to Slate Grey at 50% — a 16-point gap.
Are cobalt blue and slate grey the same color?+
No. Cobalt Blue is #0047AB and Slate Grey is #708090. They differ by 5° in hue, 16% in lightness, and 87% in saturation.
Which is more saturated, cobalt blue or slate grey?+
Cobalt Blue is more saturated. In HSL, Cobalt Blue has 100% saturation and Slate Grey has 13% — Cobalt Blue is the more vivid of the two, while Slate Grey reads as more muted.
Is cobalt blue warm or cool?+
Cobalt Blue (#0047AB) is a cool blue. Its hue sits at 215° on the color wheel, which places it in the cool range.
Is slate grey warm or cool?+
Slate Grey (#708090) is a cool blue. Its hue sits at 210° on the color wheel, which places it in the cool range.
Can you use cobalt blue and slate grey together?+
Yes. Both cobalt blue and slate grey are blue shades, so they pair naturally in a monochromatic palette. Use cobalt blue as the dominant color and slate grey as the accent or highlight.
What color family does cobalt blue belong to?+
Cobalt Blue belongs to the blue family. Its HSL is 215°, 100%, 34% — a cool tone within the broader blue group.
What is the hex code for cobalt blue?+
The hex code for Cobalt Blue is #0047AB. In RGB, that's rgb(0, 71, 171), and in HSL it's hsl(215, 100%, 34%).
What is the hex code for slate grey?+
The hex code for Slate Grey is #708090. In RGB, that's rgb(112, 128, 144), and in HSL it's hsl(210, 13%, 50%).