Prussian Blue (Blue)
#0A313A
RGB: 10, 49, 58
Color OverviewHEX #0A313A
#0A313A Color Code Information
In the RGB color space, #0A313A is composed of 4% red, 19% green, and 23% blue. In the HSL color space, it has a hue of 191°, saturation of 71%, and lightness of 13%.
HEX
#0A313A
RGB
10, 49, 58
HSL
191°, 71%, 13%
HSV
191°, 83%, 23%
CMYK
83%, 16%, 0%, 77%
Name Match
Prussian Blue
Closest StandardCSS Code & Tailwind Declarations
Ready-to-use style sheets and arbitrary classes for web development.
CSS Variables
:root {
--color-brand: #0A313A;
}
.element {
color: #0A313A;
background: #0A313A;
}Tailwind v4 Classes
<!-- Tailwind Arbitrary --> <div className="bg-[#0A313A] text-[#0A313A] border-[#0A313A]"> #0A313A </div>
Shades of #0A313A (Darker Variations)
Progressively mixed with black for depth, borders, and shadows.
Tints of #0A313A (Lighter Variations)
Progressively mixed with pure white for subtle backgrounds and badges.
Tones of #0A313A (Muted Variations)
Mixed with neutral gray to create soft, low-contrast variants.
Color Summary
Color NamePrussian Blue
LuminanceDark (Deep)
Hue Angle191° (Cool/Blue)
Print Ink (K)77% Key Black
Harmonious Color Palettes for #0A313A
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 #0A313A Background
Contrast Ratio against Pure White (#FFFFFF):13.88 : 1
WCAG AA (4.5:1)
WCAG AAA (7.0:1)
Sample Text on #0A313A Background
Contrast Ratio against Pure Black (#000000):1.51 : 1
WCAG AA (4.5:1)
WCAG AAA (7.0:1)
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