Color
#3f736d
#3f736drgb(63, 115, 109)hsl(173, 29%, 35%)oklch(0.517 0.057 186)Colors that go with #3f736d
Charcoal, Champagne and Cobalt 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.
Charcoal #36454f
neutralshippedCharcoal is the text near-black for #3f736d: softer than #000 and cool enough to feel like part of the same palette.
Champagne #f7e7ce
shippedChampagne is paired with #3f736d in 5 real palettes, including Forest Floor and Darkroom, as the text colour against it — a combination designers have actually shipped, not a computed rotation.
Cobalt Blue #0047ab
shippedCobalt Blue is paired with #3f736d in 4 real palettes, including Ink & Paper and Intel's brand system, as the accent — a combination designers have actually shipped, not a computed rotation.
Copper #b87333
shippedCopper is paired with #3f736d in 5 real palettes, including Riverbed and Clay & Linen, as the accent — a combination designers have actually shipped, not a computed rotation.
Crimson #dc143c
shippedCrimson is paired with #3f736d in 7 real palettes, including Gemstone and Redfin's brand system, as the accent — a combination designers have actually shipped, not a computed rotation.
Denim #1560bd
shippedDenim is paired with #3f736d in 10 real palettes, including Campus and Intel's brand system, as the lead colour — a combination designers have actually shipped, not a computed rotation.
Firebrick #b22222
shippedFirebrick is paired with #3f736d in 4 real palettes, including Newsprint and Fireside, as the lead colour — a combination designers have actually shipped, not a computed rotation.
Sienna #a0522d
split-complementshippedSienna is a split-complement of #3f736d: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
Real palettes that use #3f736d
Tints & shades
Harmonies
Contrast
| #3f736d as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 5.41:1 | pass | pass | fail |
|
Aaon black | 3.88:1 | 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 #3f736d 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 #3f736d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/3f736d-a2bebe-d459a3-1f292d-e9f1ec?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