Darkroom
Open in tool →Sepia, faded ochre and a teal shadow on aged paper — the photograph-in-a-drawer palette, tuned so it still passes AA.
Color
#375857rgb(55, 88, 87)hsl(178, 23%, 28%)oklch(0.435 0.039 193.4)Teal, Sienna and 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.
Teal is #375857's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces.
Sienna sits directly opposite #375857 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
5 real palettes, including Jeep's brand system and Rolex's brand system put Blue beside #375857, as the accent.
Designers have shipped Cadet Blue with #375857: 4 real palettes, including Paper & Pine and Dusk, as the supporting colour.
Designers have shipped Copper with #375857: 4 real palettes, including Desert Road and Clay & Linen, as the lead colour.
Designers have shipped Denim with #375857: 7 real palettes, including HP's brand system and Hinge's brand system, as the accent.
Goldenrod shows up next to #375857 in 5 real palettes, including Fireside and Mid-Century, as the accent.
White Smoke is the surface for #375857: a clean near-white with no warm cast, so the cool hue stays clear instead of drifting muddy.
| #375857 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 7.79:1 | pass | pass | pass | Passes AAA — no fix needed. |
Aaon black | 2.7:1 | fail | fail | fail |
Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #375857 as the background.
No public brand in the corpus uses this exact color yet. Extract a brand to add one.
#375857 reads as muted, dark, luxury. The font library is tagged with the same vocabulary:
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 #375857 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/375857-a2bcbe-d45999-1f282d-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