Color

#115bbb

#115bbb
hex#115bbb
rgbrgb(17, 91, 187)
hslhsl(214, 83%, 40%)
oklchoklch(0.487 0.166 257.8)
Closest name: Denim (#1560bd)Relative luminance 0.1119

Colors that go with #115bbb

Charcoal, Crimson and Amber 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 →

#bb7111

#11afbb · #1d11bb

#bb115b · #5bbb11

Split-complementary

Open in tool →

#bb1d11 · #afbb11

#bb11af · #bb7111 · #11bb1d

Contrast

#115bbb as textRatioAAAA largeAAAFix
Aaon white
6.49:1passpassfail
  • AAA: use #1056b1 as the text (7.03:1)
Aaon black
3.24:1failpassfail
  • AA: use #1671e9 as the text (4.57:1)
  • AAA: use #5799ef as the text (7.21:1)
  • AA: or shift the background to #d9d9d9 (4.59:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #115bbb as the background.

Brands using this color

Fonts for this mood

#115bbb reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #115bbb
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 #115bbb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/115bbb-9ca9c4-df5a4e-1f1f2d-e9f0f1?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