Color

#3136bf

#3136bf
hex#3136bf
rgbrgb(49, 54, 191)
hslhsl(238, 59%, 47%)
oklchoklch(0.432 0.208 272.1)
Closest name: Lapis on Neptune (#1f22d2)Relative luminance 0.0705

Colors that go with #3136bf

Charcoal, Sea Green 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 →

#bfba31

#317dbf · #7331bf

#bf3136 · #36bf31

Split-complementary

Open in tool →

#bf7331 · #7dbf31

#bf317d · #bfba31 · #31bf73

Contrast

#3136bf as textRatioAAAA largeAAAFix
Aaon white
8.71:1passpasspassPasses AAA — no fix needed.
Aaon black
2.41:1failfailfail
  • AA: use #6569d7 as the text (4.56:1)
  • AAA: use #8d90e2 as the text (7.22:1)
  • AA: or shift the background to #bdbdbd (4.64:1)
  • AAA: or shift the background to #e8e8e8 (7.11:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3136bf 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

#3136bf reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3136bf
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 #3136bf and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3136bf-9f9cc4-df944e-251f2d-e9edf1?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