Ultramarine (Blue)
#4020CF
RGB: 64, 32, 207
Color OverviewHEX #4020CF
#4020CF Color Code Information
In the RGB color space, #4020CF is composed of 25% red, 13% green, and 81% blue. In the HSL color space, it has a hue of 251°, saturation of 73%, and lightness of 47%.
HEX
#4020CF
RGB
64, 32, 207
HSL
251°, 73%, 47%
HSV
251°, 85%, 81%
CMYK
69%, 85%, 0%, 19%
Name Match
Ultramarine
Closest StandardCSS Code & Tailwind Declarations
Ready-to-use style sheets and arbitrary classes for web development.
CSS Variables
:root {
--color-brand: #4020CF;
}
.element {
color: #4020CF;
background: #4020CF;
}Tailwind v4 Classes
<!-- Tailwind Arbitrary --> <div className="bg-[#4020CF] text-[#4020CF] border-[#4020CF]"> #4020CF </div>
Shades of #4020CF (Darker Variations)
Progressively mixed with black for depth, borders, and shadows.
Tints of #4020CF (Lighter Variations)
Progressively mixed with pure white for subtle backgrounds and badges.
Tones of #4020CF (Muted Variations)
Mixed with neutral gray to create soft, low-contrast variants.
Color Summary
Color NameUltramarine
LuminanceDark (Deep)
Hue Angle251° (Cool/Blue)
Print Ink (K)19% Key Black
Harmonious Color Palettes for #4020CF
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 #4020CF Background
Contrast Ratio against Pure White (#FFFFFF):9.03 : 1
WCAG AA (4.5:1)
WCAG AAA (7.0:1)
Sample Text on #4020CF Background
Contrast Ratio against Pure Black (#000000):2.33 : 1
WCAG AA (4.5:1)
WCAG AAA (7.0:1)
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