Cobalt (Blue)
#173E93
RGB: 23, 62, 147
Color OverviewHEX #173E93
#173E93 Color Code Information
In the RGB color space, #173E93 is composed of 9% red, 24% green, and 58% blue. In the HSL color space, it has a hue of 221°, saturation of 73%, and lightness of 33%.
HEX
#173E93
RGB
23, 62, 147
HSL
221°, 73%, 33%
HSV
221°, 84%, 58%
CMYK
84%, 58%, 0%, 42%
Name Match
Cobalt
Closest StandardCSS Code & Tailwind Declarations
Ready-to-use style sheets and arbitrary classes for web development.
CSS Variables
:root {
--color-brand: #173E93;
}
.element {
color: #173E93;
background: #173E93;
}Tailwind v4 Classes
<!-- Tailwind Arbitrary --> <div className="bg-[#173E93] text-[#173E93] border-[#173E93]"> #173E93 </div>
Shades of #173E93 (Darker Variations)
Progressively mixed with black for depth, borders, and shadows.
Tints of #173E93 (Lighter Variations)
Progressively mixed with pure white for subtle backgrounds and badges.
Tones of #173E93 (Muted Variations)
Mixed with neutral gray to create soft, low-contrast variants.
Color Summary
Color NameCobalt
LuminanceDark (Deep)
Hue Angle221° (Cool/Blue)
Print Ink (K)42% Key Black
Harmonious Color Palettes for #173E93
Calculated color schemes based on classic geometric color wheel angles for graphic and web design.
Complementary
Analogous
Split Complementary
Monochromatic
WCAG Accessibility Contrast Ratios
Verification against Web Content Accessibility Guidelines (WCAG 2.1) standards for web text readability.
Sample Text on #173E93 Background
Contrast Ratio against Pure White (#FFFFFF):9.78 : 1
WCAG AA (4.5:1)
WCAG AAA (7.0:1)
Sample Text on #173E93 Background
Contrast Ratio against Pure Black (#000000):2.15 : 1
WCAG AA (4.5:1)
WCAG AAA (7.0:1)
Related Popular Colors
Explore more colorsLight
Dark
Light
Light
Dark
Light