Color

#1f1bee

#1f1bee
hex#1f1bee
rgbrgb(31, 27, 238)
hslhsl(241, 86%, 52%)
oklchoklch(0.448 0.284 267.3)
Closest name: Bluebonnet (#1c1cf0)Relative luminance 0.0725

Colors that go with #1f1bee

Charcoal, Crimson and Cobalt 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 →

#eaee1b

#1b81ee · #881bee

#ee1f1b · #1bee1f

Split-complementary

Open in tool →

#ee881b · #81ee1b

#ee1b81 · #eaee1b · #1bee88

Contrast

#1f1bee as textRatioAAAA largeAAAFix
Aaon white
8.57:1passpasspassPasses AAA — no fix needed.
Aaon black
2.45:1failfailfail
  • AA: use #6562f3 as the text (4.59:1)
  • AAA: use #8f8df6 as the text (7.31:1)
  • AA: or shift the background to #bdbdbd (4.56:1)
  • AAA: or shift the background to #ebebeb (7.19:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #1f1bee 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

#1f1bee reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1f1bee
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 #1f1bee and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1f1bee-a19cc4-df9b4e-261f2d-e9edf1?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