Color
#51376d
#51376drgb(81, 55, 109)hsl(269, 33%, 32%)oklch(0.392 0.093 304.7)Colors that go with #51376d
Crimson, Denim 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.
Crimson #dc143c
shippedCrimson is paired with #51376d in 9 real palettes, including Marvel's brand system and Wells Fargo's brand system, as the accent.
Denim #1560bd
shippedDesigners have shipped Denim with #51376d: 9 real palettes, including Hinge's brand system and Jack Daniel's's brand system, as the accent.
Midnight Blue #191970
shipped8 real palettes, including Microsoft's brand system and First Snow put Midnight Blue beside #51376d, as the accent.
Orange Red #ff4500
shippedOrange Red is paired with #51376d in 4 real palettes, including Tumblr's brand system and NASA's brand system, as the accent.
Powder Blue #b0e0e6
shippedDesigners have shipped Powder Blue with #51376d: 6 real palettes, including First Snow and Macaron, as the accent.
Royal Blue #4169e1
shippedRoyal Blue is paired with #51376d in 8 real palettes, including Zoom's brand system and Console Light, as the lead colour.
White Smoke #f5f5f5
neutralWhite Smoke is the surface for #51376d: a clean near-white with no warm cast, so the cool hue stays clear instead of drifting muddy.
Dark Olive Green #556b2f
complementaryDark Olive Green sits directly opposite #51376d on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
Real palettes that use #51376d
Tints & shades
Harmonies
Contrast
| #51376d as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 9.92:1 | pass | pass | pass | Passes AAA — no fix needed. |
Aaon black | 2.12:1 | 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 #51376d as the background.
Brands using this color
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 #51376d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/51376d-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