BrilliantAzure
#3399FF · rgb(51, 153, 255) · hsl(210, 100%, 60%)
Complementary colors
#3399ff · #ff9933Analogous colors
#33ffff · #3399ff · #3333ffTriadic colors
#3399ff · #ff3399 · #99ff33Split-complementary colors
#3399ff · #ff3333 · #ffff33Tetradic colors
#3399ff · #ff33ff · #ff9933 · #33ff33Monochromatic colors
#00264d · #0052a3 · #0080ff · #5cadff · #b3d9ffReady-made palettes with BrilliantAzure
Complementary palette
The base color paired with its opposite on the wheel for maximum contrast, plus two neutrals and a soft tint.
#3399FF · #ff9933 · #b6d9fb · #f4f4f5 · #18181b
Analogous palette
Neighboring hues on the color wheel create a calm, cohesive scheme with a light tint and a deep shade.
#33ffff · #3399FF · #3333ff · #b6d9fb · #0059b3
Triadic palette
Three hues spaced evenly around the wheel for a bold, balanced palette anchored by two neutrals.
#3399FF · #ff3399 · #99ff33 · #f4f4f5 · #18181b
Monochromatic palette
A single hue stepped from light to dark for a clean, elegant and foolproof palette.
#ebf5ff · #7abdff · #0582ff · #004a94 · #000f1f
If you are wondering what colors go with BrilliantAzure, start with its opposite on the wheel — a complementary #ff9933 — then soften the pairing with the analogous, triadic and monochromatic schemes above.
Frequently asked questions
BrilliantAzure's complementary color is #ff9933. Analogous neighbors, triadic accents and monochromatic tints of the same hue all pair naturally with it too.
Good to know facts
- Every swatch row is a complete scheme you can copy straight into CSS.
- The color wheel can regenerate these harmonies for any base you like.
Related tools
These color tools pair naturally with the one you just used — keep exploring.
From the blog
Guides that go deeper into what this tool does.

Rainbow Color Codes: Hex and RGB for Every Shade of the Spectrum
The real hex and RGB codes for all 7 ROYGBIV rainbow colors, why there's no single "official" rainbow, and CSS code to build your own rainbow gradient.

The 60-30-10 Rule: A Simple Formula for Color in Design
The 60-30-10 color rule explained — how to split any palette into a dominant, secondary, and accent color, with real hex codes and CSS for web design.

Tint vs. Shade vs. Tone: What's the Actual Difference?
Tint (+white), shade (+black), and tone (+gray) explained clearly — with a real hex example, CSS code, and where each one actually belongs in design.