Cobalt (Blue)
#0840A1
RGB: 8, 64, 161
Color OverviewHEX #0840A1
#0840A1 Color Code Information
In the RGB color space, #0840A1 is composed of 3% red, 25% green, and 63% blue. In the HSL color space, it has a hue of 218°, saturation of 91%, and lightness of 33%.
HEX
#0840A1
RGB
8, 64, 161
HSL
218°, 91%, 33%
HSV
218°, 95%, 63.1%
CMYK
95%, 60%, 0%, 37%
Name Match
Cobalt
Closest StandardCSS Code & Tailwind Declarations
Ready-to-use style sheets and arbitrary classes for web development.
CSS Variables
:root {
--color-brand: #0840A1;
}
.element {
color: #0840A1;
background: #0840A1;
}Tailwind v4 Classes
<!-- Tailwind Arbitrary --> <div className="bg-[#0840A1] text-[#0840A1] border-[#0840A1]"> #0840A1 </div>
Shades of #0840A1 (Darker Variations)
Progressively mixed with black for depth, borders, and shadows.
Tints of #0840A1 (Lighter Variations)
Progressively mixed with pure white for subtle backgrounds and badges.
Tones of #0840A1 (Muted Variations)
Mixed with neutral gray to create soft, low-contrast variants.
Color Summary
Color NameCobalt
LuminanceDark (Deep)
Hue Angle218° (Cool/Blue)
Print Ink (K)37% Key Black
Harmonious Color Palettes for #0840A1
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 #0840A1 Background
Contrast Ratio against Pure White (#FFFFFF):9.3 : 1
WCAG AA (4.5:1)
WCAG AAA (7.0:1)
Sample Text on #0840A1 Background
Contrast Ratio against Pure Black (#000000):2.26 : 1
WCAG AA (4.5:1)
WCAG AAA (7.0:1)
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