Color

#1147ac

#1147ac
hex#1147ac
rgbrgb(17, 71, 172)
hslhsl(219, 82%, 37%)
oklchoklch(0.432 0.171 261.6)
Closest name: Cobalt Blue (#0047ab)Relative luminance 0.076

Colors that go with #1147ac

Charcoal, Crimson and Steel 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 →

#ac7611

#1195ac · #2811ac

#ac1147 · #47ac11

Split-complementary

Open in tool →

#ac2811 · #95ac11

#ac1195 · #ac7611 · #11ac28

Contrast

#1147ac as textRatioAAAA largeAAAFix
Aaon white
8.33:1passpasspassPasses AAA — no fix needed.
Aaon black
2.52:1failfailfail
  • AA: use #2e70ea as the text (4.62:1)
  • AAA: use #6696f0 as the text (7.19:1)
  • AA: or shift the background to #bfbfbf (4.53:1)
  • AAA: or shift the background to #ededed (7.12:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #1147ac as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#1147ac reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1147ac
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 #1147ac and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1147ac-9ca5c4-df664e-211f2d-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