Sapphire & Gold
Open in tool →Deep sapphire and gold with a teal — old-money jewel tones on an ivory ground; heraldic without a crest.
Color
#223b87rgb(34, 59, 135)hsl(225, 60%, 33%)oklch(0.38 0.131 266.4)Charcoal, Steel Blue 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 is the text near-black for #223b87: softer than #000 and cool enough to feel like part of the same palette.
Steel Blue is #223b87's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces.
4 real palettes, including Procter & Gamble's brand system and CVS's brand system put Blue beside #223b87, as the supporting colour.
Designers have shipped Cornflower Blue with #223b87: 4 real palettes, including Blue Mono and Peacock's brand system, as the supporting colour.
Crimson is paired with #223b87 in 12 real palettes, including Pepsi's brand system and Casper Sleep's brand system, as the supporting colour.
Designers have shipped Denim with #223b87: 15 real palettes, including Unilever's brand system and Hasbro's brand system, as the accent.
Designers have shipped Firebrick with #223b87: 4 real palettes, including Nintendo's brand system and MLB's brand system, as the accent.
Royal Blue is paired with #223b87 in 12 real palettes, including Nokia's brand system and Nivea's brand system, as the supporting colour.
| #223b87 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 10.28:1 | pass | pass | pass | Passes AAA — no fix needed. |
Aaon black | 2.04:1 | fail | fail | fail |
Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #223b87 as the background.
No public brand in the corpus uses this exact color yet. Extract a brand to add one.
Deep sapphire and gold with a teal — old-money jewel tones on an ivory ground; heraldic without a crest.
#223b87 reads as cool, vivid, technical. 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 #223b87 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/223b87-9ca1c4-df754e-221f2d-e9eff1?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