Color
#504d89
#504d89rgb(80, 77, 137)hsl(243, 28%, 42%)oklch(0.452 0.096 284.1)Colors that go with #504d89
Charcoal, Steel Blue and 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 #504d89: softer than #000 and cool enough to feel like part of the same palette.
Steel Blue #4682b4
analogousshippedSteel Blue is #504d89's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces.
Blue #0000ff
shipped4 real palettes, including CVS's brand system and Pixar's brand system put Blue beside #504d89, as the supporting colour.
Crimson #dc143c
shippedCrimson is paired with #504d89 in 8 real palettes, including Amazon's brand system and Netflix's brand system, as the supporting colour.
Denim #1560bd
shippedDesigners have shipped Denim with #504d89: 6 real palettes, including HP's brand system and Dutch Bros's brand system, as the accent.
Midnight Blue #191970
shipped13 real palettes, including First Snow and FIFA's brand system put Midnight Blue beside #504d89, as that palette's text colour.
Royal Blue #4169e1
shippedRoyal Blue is paired with #504d89 in 11 real palettes, including Stripe's brand system and Motorola's brand system, as the accent.
Sea Green #2e8b57
split-complementshippedSea Green is a split-complement of #504d89: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
Real palettes that use #504d89
Tints & shades
Harmonies
Contrast
| #504d89 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 7.6:1 | pass | pass | pass | Passes AAA — no fix needed. |
Aaon black | 2.76:1 | 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 #504d89 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 #504d89 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/504d89-a39cc4-dfa04e-261f2d-e9edf1?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