Color

#317fed

#317fed
hex#317fed
rgbrgb(49, 127, 237)
hslhsl(215, 84%, 56%)
oklchoklch(0.608 0.182 257.9)
Closest name: Azure (#007fff)Relative luminance 0.2195

Colors that go with #317fed

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 →

#ed9f31

#31dded · #4031ed

#ed317f · #7fed31

Split-complementary

Open in tool →

#ed4031 · #dded31

#ed31dd · #ed9f31 · #31ed40

Contrast

#317fed as textRatioAAAA largeAAAFix
Aaon white
3.9:1failpassfail
  • AA: use #1971eb as the text (4.56:1)
  • AAA: use #1053b2 as the text (7.24:1)
  • AA: or shift the background to #171717 (4.6:1)
Aaon black
5.39:1passpassfail
  • AAA: use #5696f0 as the text (7.02:1)

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

Brands using this color

Palettes built around it

Fonts for this mood

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

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

tool url/palettes/new/317fed-9ca8c4-df5d4e-201f2d-e9f0f1?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