Color
#5b397f
#5b397frgb(91, 57, 127)hsl(269, 38%, 36%)oklch(0.418 0.116 304.3)Colors that go with #5b397f
Denim, Midnight Blue and Royal 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.
Denim #1560bd
shippedDenim is paired with #5b397f in 4 real palettes, including Hinge's brand system and Slack's brand system, as the accent — a combination designers have actually shipped, not a computed rotation.
Midnight Blue #191970
shippedMidnight Blue is paired with #5b397f in 6 real palettes, including First Snow and Microsoft's brand system, as the text colour against it — a combination designers have actually shipped, not a computed rotation.
Royal Blue #4169e1
shippedRoyal Blue is paired with #5b397f in 4 real palettes, including Console Light and Zoom's brand system, as the lead colour — a combination designers have actually shipped, not a computed rotation.
Taupe #483c32
shippedTaupe is paired with #5b397f in 4 real palettes, including Datadog's brand system and Dusk, as the text colour against it — a combination designers have actually shipped, not a computed rotation.
Dark Olive Green #556b2f
complementaryDark Olive Green sits directly opposite #5b397f on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
Sea Green #2e8b57
split-complementshippedSea Green is a split-complement of #5b397f: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
Charcoal #36454f
neutralshippedCharcoal is the text near-black for #5b397f: softer than #000 and cool enough to feel like part of the same palette.
Steel Blue #4682b4
shippedSteel Blue is paired with #5b397f in 3 real palettes, including Fintech Trust and Glacier, as the supporting colour — a combination designers have actually shipped, not a computed rotation.
Real palettes that use #5b397f
Tints & shades
Harmonies
Contrast
| #5b397f as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 8.99:1 | pass | pass | pass | Passes AAA — no fix needed. |
Aaon black | 2.34:1 | 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 #5b397f 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
#5b397f 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 #5b397f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/5b397f-b49cc4-cbcb62-2c1f2d-e9e9f1?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