Color

#270231

#270231
hex#270231
rgbrgb(39, 2, 49)
hslhsl(287, 92%, 10%)
oklchoklch(0.203 0.093 318)
Closest name: Coal Mine (#220033)Relative luminance 0.007

Colors that go with #270231

Blue Violet, Charcoal and Sea Green 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 →

#0c3102

#0f0231 · #310224

#312702 · #023127

Split-complementary

Open in tool →

#243102 · #02310f

#310f02 · #0c3102 · #022431

Contrast

#270231 as textRatioAAAA largeAAAFix
Aaon white
18.43:1passpasspassPasses AAA — no fix needed.
Aaon black
1.14:1failfailfail
  • AA: use #c20af5 as the text (4.66:1)
  • AAA: use #d862f8 as the text (7.02:1)
  • AA: or shift the background to #808080 (4.67:1)
  • AAA: or shift the background to #a1a1a1 (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 #270231 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

#270231 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #270231
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 #270231 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/270231-bd9fc1-abcb62-2d1f2a-ece9f1?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