Color

#640259

#640259
hex#640259
rgbrgb(100, 2, 89)
hslhsl(307, 96%, 20%)
oklchoklch(0.347 0.153 334.2)
Closest name: Cosmic Explorer (#551155)Relative luminance 0.0347

Tints & shades

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

Harmonies

Complementary

Open in tool →

#02640d

#3e0264 · #640228

#596402 · #025964

Split-complementary

Open in tool →

#286402 · #02643e

#643e02 · #02640d · #022864

Contrast

#640259 as textRatioAAAA largeAAAFix
Aaon white
12.39:1passpasspassPasses AAA — no fix needed.
Aaon black
1.69:1failfailfail
  • AA: use #d704be as the text (4.65:1)
  • AAA: use #fb46e6 as the text (7.12:1)
  • AA: or shift the background to #9c9c9c (4.51:1)
  • AAA: or shift the background to #c4c4c4 (7.1:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #640259 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

#640259 reads as warm, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #640259
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 #640259 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/640259-c19fb9-89cb62-2d1f26-eee9f1?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