Color

#312296

#312296
hex#312296
rgbrgb(49, 34, 150)
hslhsl(248, 63%, 36%)
oklchoklch(0.36 0.177 278.5)
Closest name: Depths of Night (#2c319b)Relative luminance 0.04

Colors that go with #312296

Steel Blue, Blue and Crimson 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 →

#869622

#224c96 · #6b2296

#963122 · #229631

Split-complementary

Open in tool →

#966b22 · #4c9622

#96224c · #869622 · #22966b

Contrast

#312296 as textRatioAAAA largeAAAFix
Aaon white
11.67:1passpasspassPasses AAA — no fix needed.
Aaon black
1.8:1failfailfail
  • AA: use #7565dc as the text (4.65:1)
  • AAA: use #978be5 as the text (7.14:1)
  • AA: or shift the background to #a1a1a1 (4.52:1)
  • AAA: or shift the background to #c9c9c9 (7.05:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #312296 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

#312296 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #312296
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 #312296 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/312296-a69cc4-dfac4e-271f2d-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