Color
#545b6d
#545b6d
hex
#545b6drgb
rgb(84, 91, 109)hsl
hsl(223, 13%, 38%)oklch
oklch(0.472 0.03 268.5)Closest name: Blackwater (#545663)Relative luminance 0.1047
Tints & shades
Harmonies
Contrast
| #545b6d as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 6.79:1 | pass | pass | fail |
|
Aaon black | 3.09:1 | 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 #545b6d as the background.
Brands using this color
mcpConnect your agent — build around #545b6d
live endpointPoint any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.
endpoint
https://mcp.brandsweets.com/colors/mcpclaude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt
›analyze #545b6d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
tool url
/palettes/new/545b6d-9ca3c4-df704e-211f2d-e9eff1?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