Retro Pop
Open in tool →Fifties-diner red and steel blue with a peach — nostalgic pop that still passes contrast.
Color
#537a97rgb(83, 122, 151)hsl(206, 29%, 46%)oklch(0.562 0.063 241.4)Charcoal, Amber and Cobalt 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 #537a97: softer than #000 and cool enough to feel like part of the same palette.
Amber is paired with #537a97 in 6 real palettes, including Beach Hut and Lemon Squeezy's brand system, as the supporting colour.
Designers have shipped Cobalt Blue with #537a97: 6 real palettes, including Fintech Trust and Ink & Paper, as the lead colour.
Crimson is paired with #537a97 in 14 real palettes, including Retro Pop and Wendy's's brand system, as the lead colour.
Designers have shipped Deep Sky Blue with #537a97: 4 real palettes, including Deep Water and Astro's brand system, as the lead colour.
Designers have shipped Denim with #537a97: 14 real palettes, including Campus and Discover's brand system, as the lead colour.
Sienna sits directly opposite #537a97 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
| #537a97 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 4.57:1 | pass | pass | fail |
|
Aaon black | 4.6:1 | 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 #537a97 as the background.
No public brand in the corpus uses this exact color yet. Extract a brand to add one.
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 #537a97 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/537a97-9caec4-df4e56-1f212d-e9f1f1?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