Color

#641a74

#641a74
hex#641a74
rgbrgb(100, 26, 116)
hslhsl(289, 63%, 28%)
oklchoklch(0.381 0.154 319.8)
Closest name: Extraviolet (#661188)Relative luminance 0.0471

Tints & shades

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

Harmonies

Complementary

Open in tool →

#2b741a

#371a74 · #741a58

#74641a · #1a7464

Split-complementary

Open in tool →

#58741a · #1a7437

#74371a · #2b741a · #1a5874

Contrast

#641a74 as textRatioAAAA largeAAAFix
Aaon white
10.81:1passpasspassPasses AAA — no fix needed.
Aaon black
1.94:1failfailfail
  • AA: use #b73cd3 as the text (4.6:1)
  • AAA: use #cb72df as the text (7.01:1)
  • AA: or shift the background to #a8a8a8 (4.55:1)
  • AAA: or shift the background to #d1d1d1 (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 #641a74 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

#641a74 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #641a74
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 #641a74 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/641a74-be9fc1-a8cb62-2d1f2a-ece9f1?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