Color

#3f1692

#3f1692
hex#3f1692
rgbrgb(63, 22, 146)
hslhsl(260, 74%, 33%)
oklchoklch(0.356 0.181 288.2)
Closest name: Galactic Civilization (#442288)Relative luminance 0.0371

Tints & shades

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

Harmonies

Complementary

Open in tool →

#699216

#162b92 · #7e1692

#923f16 · #16923f

Split-complementary

Open in tool →

#927e16 · #2b9216

#92162b · #699216 · #16927e

Contrast

#3f1692 as textRatioAAAA largeAAAFix
Aaon white
12.06:1passpasspassPasses AAA — no fix needed.
Aaon black
1.74:1failfailfail
  • AA: use #895be6 as the text (4.7:1)
  • AAA: use #a683ec as the text (7.08:1)
  • AA: or shift the background to #9e9e9e (4.5:1)
  • AAA: or shift the background to #c7c7c7 (7.13:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3f1692 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

#3f1692 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3f1692
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 #3f1692 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3f1692-ae9cc4-dfc94e-2a1f2d-e9ebf1?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