Color
#5b297f
#5b297frgb(91, 41, 127)hsl(275, 51%, 33%)oklch(0.394 0.142 307.9)Colors that go with #5b297f
Charcoal, Crimson and Midnight 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 #5b297f: softer than #000 and cool enough to feel like part of the same palette.
Crimson #dc143c
shippedCrimson is paired with #5b297f in 5 real palettes, including Lenovo's brand system and Wells Fargo's brand system, as the supporting colour.
Midnight Blue #191970
shipped5 real palettes, including Kraken's brand system and Microsoft's brand system put Midnight Blue beside #5b297f, as the lead colour.
Tomato #ff6347
shipped4 real palettes, including FedEx's brand system and Golden Hour put Tomato beside #5b297f, as the supporting colour.
Olive Green #808000
complementaryOlive Green sits directly opposite #5b297f on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
Orange Red #ff4500
shippedOrange Red is paired with #5b297f in 3 real palettes, including Tide's brand system and NASA's brand system, as the accent.
Steel Blue #4682b4
shippedDesigners have shipped Steel Blue with #5b297f: 3 real palettes, including FedEx's brand system and Fintech Trust, as the accent.
Teal #008080
triadicshippedTeal completes a triad with #5b297f — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash.
Real palettes that use #5b297f
Tints & shades
Harmonies
Contrast
| #5b297f as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 10.15:1 | pass | pass | pass | Passes AAA — no fix needed. |
Aaon black | 2.07:1 | 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 #5b297f 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
#5b297f 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 #5b297f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/5b297f-b89cc4-c0cb62-2d1f2d-eae9f1?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