Color

#11018e

#11018e
hex#11018e
rgbrgb(17, 1, 142)
hslhsl(247, 99%, 28%)
oklchoklch(0.299 0.198 268.3)
Closest name: darkblue (#00008b)Relative luminance 0.0209

Colors that go with #11018e

Steel Blue, Cobalt Blue and Crimson 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 →

#7e8e01

#01378e · #58018e

#8e1101 · #018e11

Split-complementary

Open in tool →

#8e5801 · #378e01

#8e0137 · #7e8e01 · #018e58

Contrast

#11018e as textRatioAAAA largeAAAFix
Aaon white
14.8:1passpasspassPasses AAA — no fix needed.
Aaon black
1.42:1failfailfail
  • AA: use #6f5dfe as the text (4.67:1)
  • AAA: use #9385fe as the text (7.03:1)
  • AA: or shift the background to #8f8f8f (4.58:1)
  • AAA: or shift the background to #b3b3b3 (7.06:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #11018e as the background.

Brands using this color

Fonts for this mood

#11018e reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #11018e
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 #11018e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/11018e-a59cc4-dfaa4e-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