Ultramarine (Blue)
#2F00FF
RGB: 47, 0, 255
Color OverviewHEX #2F00FF
#2F00FF Color Code Information
In the RGB color space, #2F00FF is composed of 18% red, 0% green, and 100% blue. In the HSL color space, it has a hue of 251°, saturation of 100%, and lightness of 50%.
HEX
#2F00FF
RGB
47, 0, 255
HSL
251°, 100%, 50%
HSV
251°, 100%, 100%
CMYK
82%, 100%, 0%, 0%
Name Match
Ultramarine
Closest StandardCSS Code & Tailwind Declarations
Ready-to-use style sheets and arbitrary classes for web development.
CSS Variables
:root {
--color-brand: #2F00FF;
}
.element {
color: #2F00FF;
background: #2F00FF;
}Tailwind v4 Classes
<!-- Tailwind Arbitrary --> <div className="bg-[#2F00FF] text-[#2F00FF] border-[#2F00FF]"> #2F00FF </div>
Shades of #2F00FF (Darker Variations)
Progressively mixed with black for depth, borders, and shadows.
Tints of #2F00FF (Lighter Variations)
Progressively mixed with pure white for subtle backgrounds and badges.
Tones of #2F00FF (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)0% Key Black
Harmonious Color Palettes for #2F00FF
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 #2F00FF Background
Contrast Ratio against Pure White (#FFFFFF):8.19 : 1
WCAG AA (4.5:1)
WCAG AAA (7.0:1)
Sample Text on #2F00FF Background
Contrast Ratio against Pure Black (#000000):2.56 : 1
WCAG AA (4.5:1)
WCAG AAA (7.0:1)
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