Cadet Blue (Blue)

#578B91

RGB: 87, 139, 145

Color OverviewHEX #578B91

#578B91 Color Code Information

In the RGB color space, #578B91 is composed of 34% red, 55% green, and 57% blue. In the HSL color space, it has a hue of 186°, saturation of 25%, and lightness of 45%.

HEX

#578B91

RGB

87, 139, 145

HSL

186°, 25%, 45%

HSV

186°, 40%, 57%

CMYK

40%, 4%, 0%, 43%

Name Match

Cadet Blue

Closest Standard

Shades of #578B91 (Darker Variations)

Shades are created by progressively mixing the base color with black.

Tints of #578B91 (Lighter Variations)

Tints are created by progressively mixing the base color with pure white.

Tones of #578B91 (Muted Variations)

Tones are created by mixing the base color with true neutral gray.

Color Harmonies for #578B91

Calculated color schemes based on classic color wheel angles for graphic and web design.

Complementary

Analogous

Triadic

Split Complementary

Monochromatic

WCAG Accessibility Contrast Ratios

Verification against Web Content Accessibility Guidelines (WCAG 2.1) standards for web text readability.

Sample Text on #578B91 Background

Contrast Ratio against Pure White (#FFFFFF):3.81 : 1

WCAG AA (4.5:1)

WCAG AAA (7.0:1)

Sample Text on #578B91 Background

Contrast Ratio against Pure Black (#000000):5.51 : 1

WCAG AA (4.5:1)

WCAG AAA (7.0:1)

Developer Code Snippets & Tailwind CSS

CSS Variables & Declarations

:root {
  --color-brand: #578B91;
}

.element {
  color: #578B91;
  background-color: #578B91;
  border-color: #578B91;
}

Tailwind CSS v4 Utility Classes

<!-- Tailwind Arbitrary Values -->
<div className="bg-[#578B91] text-[#578B91] border-[#578B91]">
  Content styled with #578B91
</div>