darkslategray

#213857

Cool

UI Preview

Pro

Conversions

RGB33, 56, 87
CMYK62, 36, 0, 66
HSL214°, 45%, 24%
LAB23, -1, -22
Closest Library Match
slate-70095% Match

Readability

11.87On WhitePASS AA
1.76On BlackFAIL

For optimal readability, use White text on this background.

Magic Gradients

subtle
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vibrant
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rich
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About #213857

The hexadecimal color code #213857 is a dark, moderate shade of Blue (known as darkslategray). In the RGB color model, #213857 is comprised of 33 red, 56 green, and 87 blue. In the HSL color space, which is often used in digital design and color grading, it has a hue of 214 degrees, a saturation of 45%, and a lightness of 24%. This color has an approximate wavelength of 501 nm. The closest web-safe color is often utilized in web design, user interfaces (UI), and vector graphics to create moderate Blue atmospheres. Designers searching for Blue color schemes often pair this with its complementary color or use it as an accent against neutral backgrounds. It is commonly used in digital design for backgrounds, typography, and accent elements. When paired with its complementary color in the palette below, it creates a high-contrast visual hierarchy. Engineers can implement this color using the CSS hex code #213857.

Vision Simulation

ProtanopiaRed-blind
DeuteranopiaGreen-blind
TritanopiaBlue-blind