Color

#3182ed

#3182ed
hex#3182ed
rgbrgb(49, 130, 237)
hslhsl(214, 84%, 56%)
oklchoklch(0.614 0.179 256.9)
Closest name: Azure (#007fff)Relative luminance 0.2273

Colors that go with #3182ed

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 →

#ed9b31

#31e0ed · #3d31ed

#ed3182 · #82ed31

Split-complementary

Open in tool →

#ed3d31 · #e0ed31

#ed31e0 · #ed9b31 · #31ed3d

Contrast

#3182ed as textRatioAAAA largeAAAFix
Aaon white
3.79:1failpassfail
  • AA: use #1471eb as the text (4.57:1)
  • AAA: use #1056b2 as the text (7.01:1)
  • AA: or shift the background to #1c1c1c (4.5:1)
Aaon black
5.55:1passpassfail
  • AAA: use #5699f0 as the text (7.21:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3182ed as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#3182ed reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3182ed
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 #3182ed and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3182ed-9ca9c4-df5a4e-1f1f2d-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