Color

#3f026e

#3f026e
hex#3f026e
rgbrgb(63, 2, 110)
hslhsl(274, 96%, 22%)
oklchoklch(0.303 0.158 301.7)
Closest name: Galactic Federation (#330077)Relative luminance 0.0223

Tints & shades

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

Harmonies

Complementary

Open in tool →

#316e02

#09026e · #6e0267

#6e3f02 · #026e3f

Split-complementary

Open in tool →

#676e02 · #026e09

#6e0902 · #316e02 · #02676e

Contrast

#3f026e as textRatioAAAA largeAAAFix
Aaon white
14.53:1passpasspassPasses AAA — no fix needed.
Aaon black
1.45:1failfailfail
  • AA: use #a637fb as the text (4.56:1)
  • AAA: use #c173fc as the text (7.13:1)
  • AA: or shift the background to #919191 (4.61:1)
  • AAA: or shift the background to #b5b5b5 (7.09:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3f026e 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

#3f026e reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3f026e
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 #3f026e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3f026e-b79cc4-c2cb62-2d1f2d-eae9f1?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