Color

#1125bb

#1125bb
hex#1125bb
rgbrgb(17, 37, 187)
hslhsl(233, 83%, 40%)
oklchoklch(0.39 0.226 266.1)
Closest name: Blue Hour (#0034ab)Relative luminance 0.0503

Colors that go with #1125bb

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 →

#bba711

#117abb · #5211bb

#bb1125 · #25bb11

Split-complementary

Open in tool →

#bb5211 · #7abb11

#bb117a · #bba711 · #11bb52

Contrast

#1125bb as textRatioAAAA largeAAAFix
Aaon white
10.47:1passpasspassPasses AAA — no fix needed.
Aaon black
2.01:1failfailfail
  • AA: use #5769ef as the text (4.67:1)
  • AAA: use #818ef3 as the text (7.1:1)
  • AA: or shift the background to #ababab (4.56:1)
  • AAA: or shift the background to #d4d4d4 (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 #1125bb 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

#1125bb reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1125bb
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 #1125bb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1125bb-9c9cc4-df884e-241f2d-e9eef1?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