Color

#1b0eaa

#1b0eaa
hex#1b0eaa
rgbrgb(27, 14, 170)
hslhsl(245, 85%, 36%)
oklchoklch(0.35 0.22 269.4)
Closest name: Dark Galaxy (#0018a8)Relative luminance 0.0345

Colors that go with #1b0eaa

Charcoal, Crimson and Steel 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 →

#9daa0e

#0e4faa · #690eaa

#aa1b0e · #0eaa1b

Split-complementary

Open in tool →

#aa690e · #4faa0e

#aa0e4f · #9daa0e · #0eaa69

Contrast

#1b0eaa as textRatioAAAA largeAAAFix
Aaon white
12.43:1passpasspassPasses AAA — no fix needed.
Aaon black
1.69:1failfailfail
  • AA: use #6b5ff2 as the text (4.54:1)
  • AAA: use #9289f5 as the text (7.12:1)
  • AA: or shift the background to #9c9c9c (4.53:1)
  • AAA: or shift the background to #c4c4c4 (7.12:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #1b0eaa 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

#1b0eaa reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1b0eaa
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 #1b0eaa and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1b0eaa-a49cc4-dfa54e-261f2d-e9ecf1?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