Color
#3b6865
#3b6865rgb(59, 104, 101)hsl(176, 28%, 32%)oklch(0.484 0.05 190.1)Colors that go with #3b6865
Charcoal, Cadet Blue and Champagne 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.
Charcoal #36454f
neutralshippedCharcoal is the text near-black for #3b6865: softer than #000 and cool enough to feel like part of the same palette.
Cadet Blue #5f9ea0
shippedDesigners have shipped Cadet Blue with #3b6865: 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 #3b6865, as the surface under it.
Copper #b87333
shippedDesigners have shipped Copper with #3b6865: 5 real palettes, including Desert Road and Clay & Linen, as the lead colour.
Crimson #dc143c
shippedCrimson is paired with #3b6865 in 9 real palettes, including Gemstone and Redfin's brand system, as the accent.
Dark Goldenrod #b8860b
shipped4 real palettes, including Cider and Rolex's brand system put Dark Goldenrod beside #3b6865, as the supporting colour.
Denim #1560bd
shippedDesigners have shipped Denim with #3b6865: 12 real palettes, including HP's brand system and The New York Times's brand system, as the accent.
Sienna #a0522d
split-complementshippedSienna is a split-complement of #3b6865: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
Real palettes that use #3b6865
Tints & shades
Harmonies
Contrast
| #3b6865 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 6.26:1 | pass | pass | fail |
|
Aaon black | 3.35:1 | 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 #3b6865 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 #3b6865 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/3b6865-a2bdbe-d4599d-1f282d-e9f1ed?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