Color

#312654

#312654
hex#312654
rgbrgb(49, 38, 84)
hslhsl(254, 38%, 24%)
oklchoklch(0.306 0.08 292)
Closest name: Deep Sea Base (#2c2c57)Relative luminance 0.0268

Colors that go with #312654

Charcoal, Dark Olive Green and Sea Green 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 →

#4a5426

#263254 · #482654

#543126 · #265431

Split-complementary

Open in tool →

#544826 · #325426

#542632 · #4a5426 · #265448

Contrast

#312654 as textRatioAAAA largeAAAFix
Aaon white
13.67:1passpasspassPasses AAA — no fix needed.
Aaon black
1.54:1failfailfail
  • AA: use #7b68bb as the text (4.54:1)
  • AAA: use #9d8ecc as the text (7.17:1)
  • AA: or shift the background to #949494 (4.51:1)
  • AAA: or shift the background to #bababa (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 #312654 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

#312654 reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #312654
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 #312654 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/312654-aa9cc4-dfbb4e-291f2d-e9ebf1?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