Color

#3d0dbf

#3d0dbf
hex#3d0dbf
rgbrgb(61, 13, 191)
hslhsl(256, 87%, 40%)
oklchoklch(0.399 0.234 279.4)
Closest name: Galactic Highway (#3311bb)Relative luminance 0.0504

Colors that go with #3d0dbf

Charcoal, Steel Blue and Cornflower Blue lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#8fbf0d

#0d37bf · #950dbf

#bf3d0d · #0dbf3d

Split-complementary

Open in tool →

#bf950d · #37bf0d

#bf0d37 · #8fbf0d · #0dbf95

Contrast

#3d0dbf as textRatioAAAA largeAAAFix
Aaon white
10.46:1passpasspassPasses AAA — no fix needed.
Aaon black
2.01:1failfailfail
  • AA: use #8258f3 as the text (4.64:1)
  • AAA: use #a283f6 as the text (7.11:1)
  • AA: or shift the background to #ababab (4.55:1)
  • AAA: or shift the background to #d4d4d4 (7.05:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3d0dbf 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

#3d0dbf reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3d0dbf
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #3d0dbf and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3d0dbf-ab9cc4-dfbf4e-291f2d-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