Color

#591c4e

#591c4e
hex#591c4e
rgbrgb(89, 28, 78)
hslhsl(311, 52%, 23%)
oklchoklch(0.342 0.11 335.6)
Closest name: Cosmic Explorer (#551155)Relative luminance 0.035

Tints & shades

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

Harmonies

Complementary

Open in tool →

#1c5927

#461c59 · #591c2f

#4e591c · #1c4e59

Split-complementary

Open in tool →

#2f591c · #1c5946

#59461c · #1c5927 · #1c2f59

Contrast

#591c4e as textRatioAAAA largeAAAFix
Aaon white
12.35:1passpasspassPasses AAA — no fix needed.
Aaon black
1.7:1failfailfail
  • AA: use #c23da9 as the text (4.53:1)
  • AAA: use #d477c3 as the text (7.23:1)
  • AA: or shift the background to #9e9e9e (4.61:1)
  • AAA: or shift the background to #c4c4c4 (7.08:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #591c4e 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

#591c4e reads as warm, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #591c4e
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 #591c4e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/591c4e-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