Color

#1a06cb

#1a06cb
hex#1a06cb
rgbrgb(26, 6, 203)
hslhsl(246, 94%, 41%)
oklchoklch(0.39 0.257 267.6)
Closest name: mediumblue (#0000cd)Relative luminance 0.0466

Colors that go with #1a06cb

Charcoal, Crimson 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 →

#b7cb06

#0655cb · #7c06cb

#cb1a06 · #06cb1a

Split-complementary

Open in tool →

#cb7c06 · #55cb06

#cb0655 · #b7cb06 · #06cb7c

Contrast

#1a06cb as textRatioAAAA largeAAAFix
Aaon white
10.87:1passpasspassPasses AAA — no fix needed.
Aaon black
1.93:1failfailfail
  • AA: use #6c5cfa as the text (4.55:1)
  • AAA: use #9488fb as the text (7.17:1)
  • AA: or shift the background to #a8a8a8 (4.57:1)
  • AAA: or shift the background to #d1d1d1 (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 #1a06cb as the background.

Brands using this color

Fonts for this mood

#1a06cb reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1a06cb
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 #1a06cb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1a06cb-a59cc4-dfa74e-271f2d-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