Color
#545c69
#545c69rgb(84, 92, 105)hsl(217, 11%, 37%)oklch(0.473 0.023 260.1)Colors that go with #545c69
Cadet Blue, Champagne and Copper 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.
Cadet Blue #5f9ea0
shippedCadet Blue is paired with #545c69 in 4 real palettes, including Dusk and Open House, as the supporting colour — a combination designers have actually shipped, not a computed rotation.
Champagne #f7e7ce
shippedChampagne is paired with #545c69 in 5 real palettes, including Darkroom and BrandSweets's brand system, as the surface under it — a combination designers have actually shipped, not a computed rotation.
Copper #b87333
shippedCopper is paired with #545c69 in 5 real palettes, including Desert Road and Dusk, as the lead colour — a combination designers have actually shipped, not a computed rotation.
Crimson #dc143c
shippedCrimson is paired with #545c69 in 5 real palettes, including Codecademy's brand system and Gemstone, as the accent — a combination designers have actually shipped, not a computed rotation.
Denim #1560bd
shippedDenim is paired with #545c69 in 7 real palettes, including HP's brand system and The New York Times's brand system, as the accent — a combination designers have actually shipped, not a computed rotation.
Goldenrod #daa520
shippedGoldenrod is paired with #545c69 in 4 real palettes, including Mid-Century and Fireside, as the accent — a combination designers have actually shipped, not a computed rotation.
Medium Sea Green #3cb371
shippedMedium Sea Green is paired with #545c69 in 5 real palettes, including Console Light and Undergrowth, as the accent — a combination designers have actually shipped, not a computed rotation.
White Smoke #f5f5f5
neutralWhite Smoke is the near-white surface #545c69 was made for — maximum legibility with no colour cast to argue with.
Real palettes that use #545c69
Tints & shades
Harmonies
Contrast
| #545c69 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 6.75:1 | pass | pass | fail |
|
Aaon black | 3.11:1 | 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 #545c69 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 #545c69 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/545c69-9ca7c4-df624e-201f2d-e9f0f1?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