Royal Blue Color (#4169E1)
Royal Blue is a CSS named color defined as hex code #4169E1. Royal Blue is a vivid mid-tone blue, lighter than pure blue with a slight lean toward cyan. It keeps the energy of blue without the harshness.
Color Overview & Formats
royalblueLuminance: 0.1666| Format | Syntax / Values | Notes | Action |
|---|---|---|---|
| HEX | #4169E1 | 6-digit hex web code | |
| RGB | rgb(65, 105, 225) | Red, Green, Blue channels (0-255) | |
| HSL | hsl(225, 73%, 57%) | Hue (225°), Saturation (73%), Lightness (57%) | |
| HSV / HSB | hsv(225, 71%, 88%) | Hue, Saturation (71%), Value/Brightness (88%) | |
| CMYK | cmyk(71%, 53%, 0%, 12%) | Digital mathematical approximation (non-print) | |
| OKLCH | oklch(0.560 0.188 266.4) | Perceptually uniform color space (CSS Color 4 approximation) |
background-color: #4169E1; /* or royalblue */- Select color format: Choose the desired format (HEX #4169E1, RGB, or HSL).
- Copy the code: Click the copy button or press Tab+Enter to store in clipboard.
- Pair with white text: White text on Royal Blue reaches 4.85:1 (WCAG AA).
What Colors Go With Royal Blue?
These 6 colors all go well with Royal Blue (#4169E1), and each one is a standard CSS named color. The ratio is the WCAG 2.2 contrast of that color on Royal Blue: at 4.5:1 or above it works for text; below that, use it for backgrounds and accents.
Harmonious Palettes & Tints
The palettes below are algorithmically generated across standard intervals based on Royal Blue (HSL 225°). Each group offers full palette copy and live preview:
Complementary Harmony
Hue rotated 180 degrees on the HSL wheel (225° to 45°), keeping the original saturation and lightness.
Analogous Harmony
Hues 30 degrees either side (195° and 255°), keeping the original saturation and lightness.
Triadic Harmony
Hues spaced evenly by 120 degrees (345° and 105°), keeping the original saturation and lightness.
Tints & Shades
Mixed with white (tints) and black (shades) in sRGB at 60% and 30%.
WCAG 2.2 Text Readability & Contrast Check
Under WCAG 2.2 criteria, regular body text requires at least 4.5:1 (AA) and large text requires at least 3.0:1. The table below displays calculated contrast ratios:
| Foreground Color | Contrast Ratio | Normal Text (AA) | Large Text (AA) | Normal Text AAA (>= 7.0:1) |
|---|---|---|---|---|
Pure Black (#000000) | 4.33:1 | Fail | Pass | Fail |
Pure White (#FFFFFF) | 4.85:1 | Pass | Pass | Fail |
Dark Charcoal (#212529) | 3.18:1 | Fail | Pass | Fail |
Mid Gray (#666666) | 1.18:1 | Fail | Fail | Fail |
Interactive Contrast Tester
Enter text foreground and background colors to verify WCAG legibility:
This is sample body text rendered directly to verify contrast and readability.
Royal Blue Background Download
Download standard 1920x1080 solid desktop wallpaper or generate mobile wallpaper:
Standard Wallpaper: 1920x1080 PNG (#4169E1)Download Options
All wallpaper files precisely match the W3C standard color value:
CSS Standard & Usage Notes
royalblue = #4169e1 (rgb(65, 105, 225))
UI Design & Accessibility Guidelines
Use it for primary buttons, links, banners and brand colors that need energy. On Royal Blue, white text passes WCAG AA at every size (4.85:1); black text passes only for large text (4.33:1).
Frequently Asked Questions (FAQ)
Can I use black text on Royal Blue?
Only for large text. Black text on Royal Blue has a WCAG 2.2 contrast ratio of 4.33:1: enough for large text (3:1) but below the 4.5:1 needed for body text.
Can I use white text on Royal Blue?
Yes. White text on Royal Blue has a WCAG 2.2 contrast ratio of 4.85:1, which passes AA (4.5:1) for all text sizes but not the stricter AAA level (7:1) for body text.
What colors go with Royal Blue?
White, Ivory, Gold, Light Gray, Orange and Navy all go well with Royal Blue. White (4.85:1) and Ivory (4.8:1) have enough contrast for text on Royal Blue; Gold, Light Gray, Orange and Navy work better as a background or accent.
Is royal blue the same as blue?
No. Blue is #0000FF. Royal Blue (#4169E1) mixes in red and green, which makes it lighter and less harsh.