Color

#317fc4

#317fc4
hex#317fc4
rgbrgb(49, 127, 196)
hslhsl(208, 60%, 48%)
oklchoklch(0.582 0.13 248.8)
Closest name: Haddock’s Sweater (#277aba)Relative luminance 0.1982

Colors that go with #317fc4

Charcoal, Crimson and Copper 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 →

#c47631

#31c4bf · #3136c4

#c4317f · #7fc431

Split-complementary

Open in tool →

#c43136 · #c4bf31

#bf31c4 · #c47631 · #36c431

Contrast

#317fc4 as textRatioAAAA largeAAAFix
Aaon white
4.23:1failpassfail
  • AA: use #2f7abc as the text (4.53:1)
  • AAA: use #235a8b as the text (7.22:1)
  • AA: or shift the background to #0f0f0f (4.53:1)
Aaon black
4.96:1passpassfail
  • AAA: use #589bd5 as the text (7.06:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #317fc4 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

#317fc4 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #317fc4
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 #317fc4 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/317fc4-9cadc4-df4e51-1f212d-e9f1f1?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