Blueprint
Open in tool →Cyan and indigo on navy is the developer-tool look; amber is the only warm note, so it always reads as 'attention'.
Color
#858aef
#858aef
hex
#858aefrgb
rgb(133, 138, 239)hsl
hsl(237, 77%, 73%)oklch
oklch(0.674 0.148 279.5)Closest name: Perrywinkle (#8f8ce7)Relative luminance 0.294
Colors that go with #858aef
Charcoal, Deep Sky Blue and Emerald Green 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 #858aef: softer than #000 and cool enough to feel like part of the same palette.
Deep Sky Blue #00bfff
shippedDeep Sky Blue is paired with #858aef in 4 real palettes, including Blueprint and Figma's brand system, as the lead colour — a combination designers have actually shipped, not a computed rotation.
Emerald Green #50c878
shippedEmerald Green is paired with #858aef in 4 real palettes, including Obsidian's brand system and Playground, as the accent — a combination designers have actually shipped, not a computed rotation.
Midnight Blue #191970
shippedMidnight Blue is paired with #858aef in 6 real palettes, including Blue Mono and Plaid's brand system, as the text colour against it — a combination designers have actually shipped, not a computed rotation.
Orange Red #ff4500
shippedOrange Red is paired with #858aef in 6 real palettes, including Figma's brand system and Heatwave, as the lead colour — a combination designers have actually shipped, not a computed rotation.
Royal Blue #4169e1
shippedRoyal Blue is paired with #858aef in 5 real palettes, including Webflow's brand system and NBA's brand system, as the lead colour — a combination designers have actually shipped, not a computed rotation.
Taupe #483c32
shippedTaupe is paired with #858aef in 8 real palettes, including Obsidian's brand system and Zed's brand system, as the text colour against it — a combination designers have actually shipped, not a computed rotation.
Dark Goldenrod #b8860b
complementaryDark Goldenrod sits directly opposite #858aef on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
Real palettes that use #858aef
Tints & shades
Harmonies
Contrast
| #858aef as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 3.05:1 | fail | pass | fail | |
Aaon black | 6.88:1 | 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 #858aef 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
#858aef reads as cool, vivid, light. The font library is tagged with the same vocabulary:
mcpConnect your agent — build around #858aef
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 #858aef and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
tool url
/palettes/new/858aef-9f9cc4-df924e-251f2d-e9edf1?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