Color
#858fdb
#858fdbrgb(133, 143, 219)hsl(233, 54%, 69%)oklch(0.673 0.113 277.2)Colors that go with #858fdb
Charcoal, Amber 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.
Charcoal #36454f
neutralshippedCharcoal is the text near-black for #858fdb: softer than #000 and cool enough to feel like part of the same palette.
Amber #ffbf00
shippedAmber is paired with #858fdb in 7 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 #858fdb, as the accent.
Dark Orange #ff8c00
shippedDark Orange shows up next to #858fdb 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 #858fdb: 7 real palettes, including Blueprint and Telegram's brand system, as the lead colour.
Denim #1560bd
shippedDesigners have shipped Denim with #858fdb: 7 real palettes, including Dusk and Coca-Cola's brand system, as the lead colour.
Emerald Green #50c878
shippedEmerald Green is paired with #858fdb in 4 real palettes, including Obsidian's brand system and Ledger Dark, as the accent.
Medium Sea Green #3cb371
split-complementshippedMedium Sea Green is a split-complement of #858fdb: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
Real palettes that use #858fdb
Tints & shades
Harmonies
Contrast
| #858fdb as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 3.02:1 | fail | pass | fail | |
Aaon black | 6.95:1 | 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 #858fdb 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
#858fdb 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 #858fdb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/858fdb-9c9cc4-df884e-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