Color
#56538d
#56538drgb(86, 83, 141)hsl(243, 26%, 44%)oklch(0.472 0.092 284.6)Colors that go with #56538d
Charcoal, Sea Green and Steel 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 #56538d: softer than #000 and cool enough to feel like part of the same palette.
Sea Green #2e8b57
split-complementshippedSea Green is a split-complement of #56538d: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
Steel Blue #4682b4
analogousshippedSteel Blue is #56538d's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces.
Crimson #dc143c
shippedCrimson is paired with #56538d in 9 real palettes, including Amazon's brand system and Netflix's brand system, as the supporting colour.
Firebrick #b22222
shippedDesigners have shipped Firebrick with #56538d: 5 real palettes, including Campbell's's brand system and Datadog's brand system, as the supporting colour.
Light Coral #f08080
shippedDesigners have shipped Light Coral with #56538d: 4 real palettes, including Sentry's brand system and Target : Expect More. Pay Less.'s brand system, as the lead colour.
Midnight Blue #191970
shipped11 real palettes, including FIFA's brand system and Fintech Trust put Midnight Blue beside #56538d, as the lead colour.
Royal Blue #4169e1
shippedRoyal Blue is paired with #56538d in 11 real palettes, including Stripe's brand system and Motorola's brand system, as the accent.
Real palettes that use #56538d
Tints & shades
Harmonies
Contrast
| #56538d as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 6.96:1 | pass | pass | fail |
|
Aaon black | 3.02:1 | 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 #56538d 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 #56538d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/56538d-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