Color

#3112ba

#3112ba
hex#3112ba
rgbrgb(49, 18, 186)
hslhsl(251, 82%, 40%)
oklchoklch(0.386 0.229 275.2)
Closest name: Galactic Highway (#3311bb)Relative luminance 0.0463

Colors that go with #3112ba

Charcoal, Steel Blue and Cornflower 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 →

#9bba12

#1247ba · #8512ba

#ba3112 · #12ba31

Split-complementary

Open in tool →

#ba8512 · #47ba12

#ba1247 · #9bba12 · #12ba85

Contrast

#3112ba as textRatioAAAA largeAAAFix
Aaon white
10.9:1passpasspassPasses AAA — no fix needed.
Aaon black
1.93:1failfailfail
  • AA: use #775def as the text (4.6:1)
  • AAA: use #9a86f3 as the text (7.08:1)
  • AA: or shift the background to #a8a8a8 (4.59:1)
  • AAA: or shift the background to #d1d1d1 (7.14:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3112ba 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

#3112ba reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3112ba
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 #3112ba and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3112ba-a89cc4-dfb34e-281f2d-e9ecf1?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