Color
#b3378e
#b3378ergb(179, 55, 142)hsl(318, 53%, 46%)oklch(0.547 0.184 342)Colors that go with #b3378e
Sea Green, Denim and Charcoal 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.
Sea Green #2e8b57
complementaryshippedSea Green sits directly opposite #b3378e on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
Denim #1560bd
shippedDesigners have shipped Denim with #b3378e: 4 real palettes, including Peacock and Chase's brand system, as the supporting colour.
Charcoal #36454f
neutralshippedCharcoal is the body-text near-black for #b3378e: its slight blue cast keeps type crisp beside a warm colour where pure #000 looks heavy.
Teal #008080
split-complementTeal is a split-complement of #b3378e: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
Crimson #dc143c
analogousshippedCrimson is #b3378e's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces.
Orange #ffa500
shippedTwo real palettes: Rippling's brand system and Sunset Boulevard put Orange beside #b3378e, as the lead colour.
Royal Blue #4169e1
shippedRoyal Blue is paired with #b3378e in two real palettes: Chase's brand system and Ubisoft's brand system, as the supporting colour.
Olive Green #808000
triadicOlive Green completes a triad with #b3378e — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash.
Real palettes that use #b3378e
Tints & shades
Harmonies
Contrast
| #b3378e as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 5.45:1 | pass | pass | fail |
|
Aaon black | 3.85:1 | fail | 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 #b3378e 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
#b3378e reads as warm. 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 #b3378e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/b3378e-c19fb3-75cb62-2d1f23-f0e9f1?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