Color

#553a50

#553a50
hex#553a50
rgbrgb(85, 58, 80)
hslhsl(311, 19%, 28%)
oklchoklch(0.387 0.051 333.2)
Closest name: Long Passionate Night (#5b365e)Relative luminance 0.0554

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#3a553f

#4c3a55 · #553a42

#50553a · #3a5055

Split-complementary

Open in tool →

#42553a · #3a554c

#554c3a · #3a553f · #3a4255

Contrast

#553a50 as textRatioAAAA largeAAAFix
Aaon white
9.97:1passpasspassPasses AAA — no fix needed.
Aaon black
2.11:1failfailfail
  • AA: use #95658c as the text (4.52:1)
  • AAA: use #b18caa as the text (7.2:1)
  • AA: or shift the background to #b0b0b0 (4.59:1)
  • AAA: or shift the background to #d9d9d9 (7.06:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #553a50 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Fonts for this mood

#553a50 reads as warm, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #553a50
live endpoint

Point 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.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #553a50 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/553a50-c19fb7-82cb62-2d1f25-efe9f1?lock=0&style=vibrant

Want the agent to remember your picks and write them into a living brand? Create a free BrandSweets workspace.

Machine-readable: color.md