Typewriter
Open in tool →Ink-black and ribbon-red on manila — the correspondence palette; all the vintage comes from the paper colour.
Color
#818288
#818288
hex
#818288rgb
rgb(129, 130, 136)hsl
hsl(231, 3%, 52%)oklch
oklch(0.608 0.009 278.5)Closest name: gray (#808080)Relative luminance 0.2241
Colors that go with #818288
Charcoal, Champagne and Copper 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 that reads cleanly against #818288 without the hard edge of pure #000.
Champagne #f7e7ce
shipped5 real palettes, including Midnight Luxe and Forest Floor put Champagne beside #818288, as that palette's text colour.
Copper #b87333
shippedDesigners have shipped Copper with #818288: 5 real palettes, including Atelier and Clay & Linen, as the accent.
Crimson #dc143c
shippedCrimson is paired with #818288 in 5 real palettes, including Retro Pop and Diner, as the lead colour.
Denim #1560bd
shippedDesigners have shipped Denim with #818288: 8 real palettes, including Campus and Dusk, as the lead colour.
Goldenrod #daa520
shippedGoldenrod shows up next to #818288 in 4 real palettes, including Noir Beauty and Ledger Dark, as the lead colour.
Midnight Blue #191970
shipped5 real palettes, including Plaid's brand system and Open House put Midnight Blue beside #818288, as the supporting colour.
Peru #cd853f
shipped5 real palettes, including Kiln and Estate put Peru beside #818288, as the lead colour.
Real palettes that use #818288
Tints & shades
Harmonies
Contrast
| #818288 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 3.83:1 | fail | pass | fail | |
Aaon black | 5.48:1 | pass | 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 #818288 as the background.
Brands using this color
No public brand in the corpus uses this exact color yet. Extract a brand to add one.
Palettes built around it
Fonts for this mood
#818288 reads as neutral, minimal. The font library is tagged with the same vocabulary:
mcpConnect your agent — build around #818288
live endpointPoint 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.
endpoint
https://mcp.brandsweets.com/colors/mcpclaude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt
›analyze #818288 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
tool url
/palettes/new/818288-a2beb0-c859d4-1f2d2b-eaf1e9?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