Color
#406368
#406368rgb(64, 99, 104)hsl(188, 24%, 33%)oklch(0.475 0.041 207.2)Colors that go with #406368
Sienna, Blue and Cadet Blue lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.
Sienna #a0522d
complementaryshippedSienna sits directly opposite #406368 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
Blue #0000ff
shipped5 real palettes, including Warp's brand system and Rolex's brand system put Blue beside #406368, as the supporting colour.
Cadet Blue #5f9ea0
shippedDesigners have shipped Cadet Blue with #406368: 4 real palettes, including Alpine and Open House, as the supporting colour.
Champagne #f7e7ce
shipped4 real palettes, including Darkroom and BrandSweets's brand system put Champagne beside #406368, as the surface under it.
Copper #b87333
shippedDesigners have shipped Copper with #406368: 5 real palettes, including Desert Road and Dusk, as the lead colour.
Crimson #dc143c
shippedCrimson is paired with #406368 in 7 real palettes, including Gemstone and Codecademy's brand system, as the accent.
Denim #1560bd
shippedDesigners have shipped Denim with #406368: 11 real palettes, including HP's brand system and The New York Times's brand system, as the accent.
White Smoke #f5f5f5
neutralWhite Smoke is the surface for #406368: a clean near-white with no warm cast, so the cool hue stays clear instead of drifting muddy.
Real palettes that use #406368
Tints & shades
Harmonies
Contrast
| #406368 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 6.56:1 | pass | pass | fail |
|
Aaon black | 3.2:1 | fail | pass | fail |
Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #406368 as the background.
Brands using this color
No public brand in the corpus uses this exact color yet. Extract a brand to add one.
Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.
https://mcp.brandsweets.com/colors/mcpclaude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
›analyze #406368 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/406368-a2b7be-df4e81-1f252d-e9f1ee?lock=0&style=vibrantWant the agent to remember your picks and write them into a living brand? Create a free BrandSweets workspace.
Machine-readable: color.md