Royal Blue (Blue)
#3F77EE
RGB: 63, 119, 238
Color OverviewHEX #3F77EE
#3F77EE Color Code Information
In the RGB color space, #3F77EE is composed of 25% red, 47% green, and 93% blue. In the HSL color space, it has a hue of 221°, saturation of 84%, and lightness of 59%.
HEX
#3F77EE
RGB
63, 119, 238
HSL
221°, 84%, 59%
HSV
221°, 74%, 93%
CMYK
74%, 50%, 0%, 7%
Name Match
Royal Blue
Closest StandardCSS Code & Tailwind Declarations
Ready-to-use style sheets and arbitrary classes for web development.
CSS Variables
:root {
--color-brand: #3F77EE;
}
.element {
color: #3F77EE;
background: #3F77EE;
}Tailwind v4 Classes
<!-- Tailwind Arbitrary --> <div className="bg-[#3F77EE] text-[#3F77EE] border-[#3F77EE]"> #3F77EE </div>
Shades of #3F77EE (Darker Variations)
Progressively mixed with black for depth, borders, and shadows.
Tints of #3F77EE (Lighter Variations)
Progressively mixed with pure white for subtle backgrounds and badges.
Tones of #3F77EE (Muted Variations)
Mixed with neutral gray to create soft, low-contrast variants.
Color Summary
Color NameRoyal Blue
LuminanceDark (Deep)
Hue Angle221° (Cool/Blue)
Print Ink (K)7% Key Black
Harmonious Color Palettes for #3F77EE
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 #3F77EE Background
Contrast Ratio against Pure White (#FFFFFF):4.13 : 1
WCAG AA (4.5:1)
WCAG AAA (7.0:1)
Sample Text on #3F77EE Background
Contrast Ratio against Pure Black (#000000):5.08 : 1
WCAG AA (4.5:1)
WCAG AAA (7.0:1)
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