Color

#111dbb

#111dbb
hex#111dbb
rgbrgb(17, 29, 187)
hslhsl(236, 83%, 40%)
oklchoklch(0.381 0.232 266.3)
Closest name: mediumblue (#0000cd)Relative luminance 0.0459

Tints & shades

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

Harmonies

Complementary

Open in tool →

#bbaf11

#1171bb · #5b11bb

#bb111d · #1dbb11

Split-complementary

Open in tool →

#bb5b11 · #71bb11

#bb1171 · #bbaf11 · #11bb5b

Contrast

#111dbb as textRatioAAAA largeAAAFix
Aaon white
10.95:1passpasspassPasses AAA — no fix needed.
Aaon black
1.92:1failfailfail
  • AA: use #5c66f0 as the text (4.61:1)
  • AAA: use #868df4 as the text (7.13:1)
  • AA: or shift the background to #a8a8a8 (4.61:1)
  • AAA: or shift the background to #cfcfcf (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 #111dbb 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

#111dbb reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #111dbb
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 #111dbb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/111dbb-9e9cc4-df8f4e-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