YankeesBlue
#1C2841 · rgb(28, 40, 65) · hsl(221, 40%, 18%)
Complementary colors
#1c2740 · #40351cAnalogous colors
#1c3a40 · #1c2740 · #221c40Triadic colors
#1c2740 · #401c27 · #27401cSplit-complementary colors
#1c2740 · #40221c · #3a401cTetradic colors
#1c2740 · #401c3a · #40351c · #1c4022Monochromatic colors
#172136 · #314672 · #4d6db3 · #8da1ce · #c9d3e8Ready-made palettes with YankeesBlue
Complementary palette
The base color paired with its opposite on the wheel for maximum contrast, plus two neutrals and a soft tint.
#1C2841 · #40351c · #4d628f · #f4f4f5 · #18181b
Analogous palette
Neighboring hues on the color wheel create a calm, cohesive scheme with a light tint and a deep shade.
#1c3a40 · #1C2841 · #221c40 · #4d628f · #000000
Triadic palette
Three hues spaced evenly around the wheel for a bold, balanced palette anchored by two neutrals.
#1C2841 · #401c27 · #27401c · #f4f4f5 · #18181b
Monochromatic palette
A single hue stepped from light to dark for a clean, elegant and foolproof palette.
#f1f3f9 · #a2b3d7 · #5070b4 · #2c3f68 · #090d15
If you are wondering what colors go with YankeesBlue, start with its opposite on the wheel — a complementary #40351c — then soften the pairing with the analogous, triadic and monochromatic schemes above.
Frequently asked questions
YankeesBlue's complementary color is #40351c. 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.