Color

#110bbc

#110bbc
hex#110bbc
rgbrgb(17, 11, 188)
hslhsl(242, 89%, 39%)
oklchoklch(0.369 0.242 266.4)
Closest name: mediumblue (#0000cd)Relative luminance 0.0399

Colors that go with #110bbc

Charcoal, Blue 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 →

#b6bc0b

#0b5ebc · #690bbc

#bc110b · #0bbc11

Split-complementary

Open in tool →

#bc690b · #5ebc0b

#bc0b5e · #b6bc0b · #0bbc69

Contrast

#110bbc as textRatioAAAA largeAAAFix
Aaon white
11.68:1passpasspassPasses AAA — no fix needed.
Aaon black
1.8:1failfailfail
  • AA: use #6560f6 as the text (4.56:1)
  • AAA: use #8f8bf8 as the text (7.22:1)
  • AA: or shift the background to #a1a1a1 (4.52:1)
  • AAA: or shift the background to #c9c9c9 (7.05:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #110bbc 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

#110bbc reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #110bbc
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 #110bbc and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/110bbc-a29cc4-df9e4e-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