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
#8589fergb(133, 137, 254)hsl(238, 98%, 76%)oklch(0.681 0.17 279.4)Amber, Blue and Deep Sky 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.
Amber is paired with #8589fe in 6 real palettes, including Mastodon hosted on mastodon.social's brand system and Blueprint, as the accent.
8 real palettes, including Canva's brand system and Spotify's brand system put Blue beside #8589fe, as the accent.
Designers have shipped Deep Sky Blue with #8589fe: 7 real palettes, including Blueprint and Figma's brand system, as the lead colour.
Designers have shipped Denim with #8589fe: 4 real palettes, including Apple's brand system and Coursera's brand system, as the accent.
Medium Sea Green is a split-complement of #8589fe: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
6 real palettes, including Blue Mono and Lavender Haze put Midnight Blue beside #8589fe, as the text colour against it.
Orange Red is paired with #8589fe in 6 real palettes, including Google's brand system and Figma's brand system, as the supporting colour.
Charcoal is the text near-black for #8589fe: softer than #000 and cool enough to feel like part of the same palette.
| #8589fe as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 3:1 | fail | fail | fail | |
Aaon black | 7.01:1 | pass | pass | pass | Passes AAA — no fix needed. |
Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #8589fe as the background.
#8589fe reads as cool, vivid, light. 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 #8589fe and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/8589fe-9f9cc4-df944e-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