Color

#1139bb

#1139bb
hex#1139bb
rgbrgb(17, 57, 187)
hslhsl(226, 83%, 40%)
oklchoklch(0.42 0.207 264.7)
Closest name: Denim (#2243b6)Relative luminance 0.0663

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#bb9311

#118ebb · #3e11bb

#bb1139 · #39bb11

Split-complementary

Open in tool →

#bb3e11 · #8ebb11

#bb118e · #bb9311 · #11bb3e

Contrast

#1139bb as textRatioAAAA largeAAAFix
Aaon white
9.03:1passpasspassPasses AAA — no fix needed.
Aaon black
2.33:1failfailfail
  • AA: use #446cee as the text (4.63:1)
  • AAA: use #7391f2 as the text (7.06:1)
  • AA: or shift the background to #b8b8b8 (4.55:1)
  • AAA: or shift the background to #e3e3e3 (7.03:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #1139bb 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

#1139bb reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1139bb
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #1139bb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1139bb-9ca1c4-df774e-221f2d-e9eff1?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