Color

#1166bb

#1166bb
hex#1166bb
rgbrgb(17, 102, 187)
hslhsl(210, 83%, 40%)
oklchoklch(0.511 0.153 253.9)
Closest name: Brilliant Blue (#0075b3)Relative luminance 0.1321

Tints & shades

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

Harmonies

Complementary

Open in tool →

#bb6611

#11bbbb · #1111bb

#bb1166 · #66bb11

Split-complementary

Open in tool →

#bb1111 · #bbbb11

#bb11bb · #bb6611 · #11bb11

Contrast

#1166bb as textRatioAAAA largeAAAFix
Aaon white
5.77:1passpassfail
  • AAA: use #0f59a3 as the text (7.05:1)
Aaon black
3.64:1failpassfail
  • AA: use #1475d7 as the text (4.56:1)
  • AAA: use #4499ee as the text (7.04:1)
  • AA: or shift the background to #e6e6e6 (4.62:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #1166bb 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

#1166bb reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1166bb
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 #1166bb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1166bb-9cabc4-df514e-1f202d-e9f1f1?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