Color

#3a017e

#3a017e
hex#3a017e
rgbrgb(58, 1, 126)
hslhsl(267, 98%, 25%)
oklchoklch(0.313 0.173 292.7)
Closest name: Galactic Federation (#330077)Relative luminance 0.0243

Tints & shades

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

Harmonies

Complementary

Open in tool →

#467e01

#01087e · #78017e

#7e3a01 · #017e3a

Split-complementary

Open in tool →

#7e7801 · #087e01

#7e0108 · #467e01 · #017e78

Contrast

#3a017e as textRatioAAAA largeAAAFix
Aaon white
14.14:1passpasspassPasses AAA — no fix needed.
Aaon black
1.49:1failfailfail
  • AA: use #9744fd as the text (4.56:1)
  • AAA: use #b67cfe as the text (7.3:1)
  • AA: or shift the background to #949494 (4.66:1)
  • AAA: or shift the background to #b8b8b8 (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 #3a017e 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

#3a017e reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3a017e
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 #3a017e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3a017e-b39cc4-dfda4e-2c1f2d-e9eaf1?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