Royal Blue (Blue)
#6366F1
RGB: 99, 102, 241
Color OverviewHEX #6366F1
#6366F1 Color Code Information
In the RGB color space, #6366F1 is composed of 39% red, 40% green, and 95% blue. In the HSL color space, it has a hue of 239°, saturation of 84%, and lightness of 67%.
HEX
#6366F1
RGB
99, 102, 241
HSL
239°, 84%, 67%
HSV
239°, 59%, 95%
CMYK
59%, 58%, 0%, 5%
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: #6366F1;
}
.element {
color: #6366F1;
background: #6366F1;
}Tailwind v4 Classes
<!-- Tailwind Arbitrary --> <div className="bg-[#6366F1] text-[#6366F1] border-[#6366F1]"> #6366F1 </div>
Shades of #6366F1 (Darker Variations)
Progressively mixed with black for depth, borders, and shadows.
Tints of #6366F1 (Lighter Variations)
Progressively mixed with pure white for subtle backgrounds and badges.
Tones of #6366F1 (Muted Variations)
Mixed with neutral gray to create soft, low-contrast variants.
Color Summary
Color NameRoyal Blue
LuminanceDark (Deep)
Hue Angle239° (Cool/Blue)
Print Ink (K)5% Key Black
Harmonious Color Palettes for #6366F1
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 #6366F1 Background
Contrast Ratio against Pure White (#FFFFFF):4.47 : 1
WCAG AA (4.5:1)
WCAG AAA (7.0:1)
Sample Text on #6366F1 Background
Contrast Ratio against Pure Black (#000000):4.7 : 1
WCAG AA (4.5:1)
WCAG AAA (7.0:1)
Related Popular Colors
Explore more colorsLight
Dark
Light
Light
Dark
Light