Color
#858cdb
#858cdbrgb(133, 140, 219)hsl(235, 54%, 69%)oklch(0.667 0.117 278.9)Colors that go with #858cdb
Charcoal, Medium Sea Green 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 #858cdb: softer than #000 and cool enough to feel like part of the same palette.
Medium Sea Green #3cb371
split-complementshippedMedium Sea Green is a split-complement of #858cdb: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
Amber #ffbf00
shippedAmber is paired with #858cdb in 6 real palettes, including Blueprint and Ahrefs's brand system, as the accent.
Blue #0000ff
shipped5 real palettes, including Qualcomm's brand system and Canva's brand system put Blue beside #858cdb, as the accent.
Dark Orange #ff8c00
shippedDark Orange shows up next to #858cdb in 4 real palettes, including Ahrefs's brand system and Playground, as the lead colour.
Deep Sky Blue #00bfff
shippedDesigners have shipped Deep Sky Blue with #858cdb: 9 real palettes, including Blueprint and Telegram's brand system, as the lead colour.
Denim #1560bd
shippedDesigners have shipped Denim with #858cdb: 7 real palettes, including Dusk and Coca-Cola's brand system, as the lead colour.
Emerald Green #50c878
shippedEmerald Green is paired with #858cdb in 4 real palettes, including Obsidian's brand system and Ledger Dark, as the accent.
Real palettes that use #858cdb
Tints & shades
Harmonies
Contrast
| #858cdb as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 3.1:1 | fail | pass | fail | |
Aaon black | 6.77:1 | 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 #858cdb as the background.
Brands using this color
No public brand in the corpus uses this exact color yet. Extract a brand to add one.
Fonts for this mood
#858cdb reads as cool, modern. 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 #858cdb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/858cdb-9e9cc4-df8d4e-241f2d-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