Color
#545573
#545573rgb(84, 85, 115)hsl(238, 16%, 39%)oklch(0.461 0.049 282.8)Colors that go with #545573
Steel Blue, Crimson and Denim 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.
Steel Blue #4682b4
analogousshippedSteel Blue is #545573'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 #545573 in 4 real palettes, including Codecademy's brand system and Amazon's brand system, as the accent.
Denim #1560bd
shippedDesigners have shipped Denim with #545573: 9 real palettes, including HP's brand system and The New York Times's brand system, as the accent.
Goldenrod #daa520
shippedGoldenrod shows up next to #545573 in 4 real palettes, including Open House and Mid-Century, as the accent.
Medium Sea Green #3cb371
shippedMedium Sea Green is paired with #545573 in 5 real palettes, including Console Light and Fintech Trust, as the accent.
Midnight Blue #191970
shipped6 real palettes, including FIFA's brand system and Open House put Midnight Blue beside #545573, as the lead colour.
Royal Blue #4169e1
shippedRoyal Blue is paired with #545573 in 8 real palettes, including Stripe's brand system and Console Light, as the accent.
White Smoke #f5f5f5
neutralWhite Smoke is the surface for #545573: a clean near-white with no warm cast, so the cool hue stays clear instead of drifting muddy.
Real palettes that use #545573
Tints & shades
Harmonies
Contrast
| #545573 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 7.18:1 | pass | pass | pass | Passes AAA — no fix needed. |
Aaon black | 2.92:1 | 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 #545573 as the background.
Brands using this color
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 #545573 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/545573-9f9cc4-df944e-251f2d-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