Color
#858cb2
#858cb2rgb(133, 140, 178)hsl(231, 23%, 61%)oklch(0.648 0.057 276.5)Colors that go with #858cb2
Charcoal, Copper and Amber 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 #858cb2: softer than #000 and cool enough to feel like part of the same palette.
Copper #b87333
split-complementshippedCopper is a split-complement of #858cb2: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
Amber #ffbf00
shippedAmber is paired with #858cb2 in 4 real palettes, including Beach Hut and Blueprint, as the supporting colour.
Deep Sky Blue #00bfff
shippedDesigners have shipped Deep Sky Blue with #858cb2: 4 real palettes, including Telegram's brand system and Blueprint, as the lead colour.
Denim #1560bd
shippedDesigners have shipped Denim with #858cb2: 5 real palettes, including Dusk and Open House, as the lead colour.
Midnight Blue #191970
shipped8 real palettes, including Plaid's brand system and Open House put Midnight Blue beside #858cb2, as the supporting colour.
Powder Blue #b0e0e6
shippedDesigners have shipped Powder Blue with #858cb2: 4 real palettes, including Ink Wash and First Snow, as the lead colour.
Royal Blue #4169e1
shippedRoyal Blue is paired with #858cb2 in 6 real palettes, including Sephora's brand system and Slate Workspace, as the supporting colour.
Real palettes that use #858cb2
Tints & shades
Harmonies
Contrast
| #858cb2 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 3.29:1 | fail | pass | fail | |
Aaon black | 6.39:1 | 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 #858cb2 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 #858cb2 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/858cb2-9c9ec4-df834e-231f2d-e9eef1?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