Color

#5b3333

#5b3333
hex#5b3333
rgbrgb(91, 51, 51)
hslhsl(0, 28%, 28%)
oklchoklch(0.371 0.058 20.2)
Closest name: Arcane Red (#6a2f2f)Relative luminance 0.0483

Tints & shades

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

Harmonies

Complementary

Open in tool →

#335b5b

#5b3347 · #5b4733

#335b33 · #33335b

Split-complementary

Open in tool →

#335b47 · #33475b

#475b33 · #335b5b · #47335b

Contrast

#5b3333 as textRatioAAAA largeAAAFix
Aaon white
10.68:1passpasspassPasses AAA — no fix needed.
Aaon black
1.97:1failfailfail
  • AA: use #a76262 as the text (4.57:1)
  • AAA: use #bd8989 as the text (7.1:1)
  • AA: or shift the background to #ababab (4.65:1)
  • AAA: or shift the background to #d4d4d4 (7.21:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #5b3333 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

#5b3333 reads as warm, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #5b3333
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 #5b3333 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/5b3333-c4a19c-62cb98-2d251f-f1e9ed?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