Color

#311985

#311985
hex#311985
rgbrgb(49, 25, 133)
hslhsl(253, 68%, 31%)
oklchoklch(0.331 0.165 282.8)
Closest name: Deep Space Rodeo (#332277)Relative luminance 0.0304

Colors that go with #311985

Blue, Charcoal and Cobalt 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 →

#6e8519

#193885 · #661985

#853119 · #198531

Split-complementary

Open in tool →

#856619 · #388519

#851938 · #6e8519 · #198566

Contrast

#311985 as textRatioAAAA largeAAAFix
Aaon white
13.06:1passpasspassPasses AAA — no fix needed.
Aaon black
1.61:1failfailfail
  • AA: use #7c60e1 as the text (4.62:1)
  • AAA: use #9c87e8 as the text (7.04:1)
  • AA: or shift the background to #999999 (4.58:1)
  • AAA: or shift the background to #bfbfbf (7.1:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #311985 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

#311985 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #311985
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 #311985 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/311985-a99cc4-dfb84e-281f2d-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