Color

#390f52

#390f52
hex#390f52
rgbrgb(57, 15, 82)
hslhsl(278, 69%, 19%)
oklchoklch(0.278 0.116 309.2)
Closest name: Fabric of Space (#341758)Relative luminance 0.0182

Colors that go with #390f52

Charcoal, Slate Blue and Teal 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 →

#28520f

#180f52 · #520f49

#52390f · #0f5239

Split-complementary

Open in tool →

#49520f · #0f5218

#52180f · #28520f · #0f4952

Contrast

#390f52 as textRatioAAAA largeAAAFix
Aaon white
15.39:1passpasspassPasses AAA — no fix needed.
Aaon black
1.36:1failfailfail
  • AA: use #a646dd as the text (4.54:1)
  • AAA: use #be79e6 as the text (7.07:1)
  • AA: or shift the background to #8c8c8c (4.58:1)
  • AAA: or shift the background to #b0b0b0 (7.1:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #390f52 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

#390f52 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #390f52
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 #390f52 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/390f52-ba9cc4-bbcb62-2d1f2c-ebe9f1?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